tag:blogger.com,1999:blog-43905883228438158712024-03-12T19:51:57.868-07:00MORFOLOGIA Y FUNCION DE LAS PLAQUETASEn el siguiente Blog se proporciona informacion acerca de morfologia y funcion de las plaquetas.MESA 2 6Dhttp://www.blogger.com/profile/16812437372255673909noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-4390588322843815871.post-61579973695371460352010-10-30T12:05:00.000-07:002010-10-30T12:05:40.222-07:00PLAQUETAS<div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjo9clLX2ja9Mg7jUPDAuyROb4PuiokVtmC-yBGRbS0BmYpLNH242wLfjM5clIVYVkyT9i6I0xUDfFVeynuku6HLO5JRxCjd73YK1YkfDjF5xg02SfpIoWnqfGK9vgDkPjxTLb6_Z2Q7FQk/s1600/p1.bmp" imageanchor="1" style="clear: right; cssfloat: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" nx="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjo9clLX2ja9Mg7jUPDAuyROb4PuiokVtmC-yBGRbS0BmYpLNH242wLfjM5clIVYVkyT9i6I0xUDfFVeynuku6HLO5JRxCjd73YK1YkfDjF5xg02SfpIoWnqfGK9vgDkPjxTLb6_Z2Q7FQk/s1600/p1.bmp" /></a><span style="font-family: 'Arial','sans-serif';">También denominadas trombocitos, son pequeñas <span style="mso-bidi-font-weight: bold;">células</span> <span style="mso-spacerun: yes;"> </span>discoides anucleadas, procedentes de la fragmentación del citoplasma de los megacariocitos medulares, que circulan en sangre y cuya misión fundamental consiste en taponar rápidamente cualquier solución de continuidad producida en el endotelio vascular, es decir, representa el segundo componente principal del sistema hemostático. Las plaquetas con los colorantes de Wright o Romanowsky, aparecen como estructuras granulares, discoides, azules, de un tamaño aproximado de 2 a 3 µm, con una concentración normal en sangre de 140 a 450 x 109/L. </span></div>MESA 2 6Dhttp://www.blogger.com/profile/16812437372255673909noreply@blogger.com0tag:blogger.com,1999:blog-4390588322843815871.post-90800379651745216692010-10-30T12:04:00.000-07:002010-10-30T12:04:20.013-07:00MORFOLOGIA<div style="margin-left: 36pt; mso-list: l0 level1 lfo1; text-indent: -18pt;"><span style="font-family: Wingdings; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings;"><span style="mso-list: Ignore;">v<span style="font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: 'Arial','sans-serif';">Forma variable o disco</span></div><div style="margin-left: 36pt; mso-list: l0 level1 lfo1; text-indent: -18pt;"><span style="font-family: Wingdings; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings;"><span style="mso-list: Ignore;">v<span style="font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: 'Arial','sans-serif';">1-4 μ.</span></div><div style="margin-left: 36pt; mso-list: l0 level1 lfo1; text-indent: -18pt;"><span style="font-family: Wingdings; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings;"><span style="mso-list: Ignore;">v<span style="font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: 'Arial','sans-serif';">Sin núcleo</span></div><div style="margin-left: 36pt; mso-list: l0 level1 lfo1; text-indent: -18pt;"><span style="font-family: Wingdings; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings;"><span style="mso-list: Ignore;">v<span style="font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: 'Arial','sans-serif';">Citoplasma azul con prolongaciones al exterior.</span></div><div style="margin-left: 36pt; mso-list: l0 level1 lfo1; text-indent: -18pt;"><span style="font-family: Wingdings; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings;"><span style="mso-list: Ignore;">v<span style="font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: 'Arial','sans-serif';">Se agregan formando conglomerados</span></div><div style="margin-left: 36pt; mso-list: l0 level1 lfo1; text-indent: -18pt;"><span style="font-family: Wingdings; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings;"><span style="mso-list: Ignore;">v<span style="font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: 'Arial','sans-serif';">Tienen una vida media de 7 a 10 días.</span></div><div style="margin-left: 36pt; mso-list: l0 level1 lfo1; text-indent: -18pt;"><span style="font-family: Wingdings; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings;"><span style="mso-list: Ignore;">v<span style="font: 7pt 'Times New Roman';"> </span></span></span><shapetype coordsize="21600,21600" filled="f" id="_x0000_t75" o:preferrelative="t" o:spt="75" path="m@4@5l@4@11@9@11@9@5xe" stroked="f"><stroke joinstyle="miter"></stroke><formulas><f eqn="if lineDrawn pixelLineWidth 0"></f><f eqn="sum @0 1 0"></f><f eqn="sum 0 0 @1"></f><f eqn="prod @2 1 2"></f><f eqn="prod @3 21600 pixelWidth"></f><f eqn="prod @3 21600 pixelHeight"></f><f eqn="sum @0 0 1"></f><f eqn="prod @6 1 2"></f><f eqn="prod @7 21600 pixelWidth"></f><f eqn="sum @8 21600 0"></f><f eqn="prod @7 21600 pixelHeight"></f><f eqn="sum @10 21600 0"></f></formulas><path gradientshapeok="t" o:connecttype="rect" o:extrusionok="f"></path><lock aspectratio="t" v:ext="edit"></lock></shapetype><shape alt="http://www.portalesmedicos.com/diccionario_medico/images/Megacariocitos_plaquetas.jpg" id="Imagen_x0020_17" o:spid="_x0000_s1026" style="height: 244.6pt; left: 0px; margin-left: 328.5pt; margin-top: 15.8pt; mso-position-horizontal-relative: text; mso-position-horizontal: absolute; mso-position-vertical-relative: text; mso-position-vertical: absolute; mso-wrap-distance-bottom: 0; mso-wrap-distance-left: 9pt; mso-wrap-distance-right: 9pt; mso-wrap-distance-top: 0; mso-wrap-style: square; position: absolute; text-align: left; visibility: visible; width: 141.1pt; z-index: -1;" type="#_x0000_t75" wrapcoords="-230 0 -230 21459 21585 21459 21585 0 -230 0"><imagedata o:title="Megacariocitos_plaquetas" src="file:///C:\DOCUME~1\ADMINI~1\CONFIG~1\Temp\msohtmlclip1\01\clip_image002.jpg"></imagedata><wrap type="tight"></wrap></shape><span style="font-family: 'Arial','sans-serif';">Su cifra normal oscila entre 150 000 y 400 000 x </span><a href="http://es.wikipedia.org/wiki/Microlitro"><span style="color: windowtext; font-family: 'Arial','sans-serif'; mso-bidi-font-weight: bold; text-decoration: none; text-underline: none;">mm³</span></a><span style="font-family: 'Arial','sans-serif';"></span></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQc1em7v7fPCbifam9xYyVhym3GfbM70C-rWWZXQ1xrNAW1MbWp2PGEWo7BWTemAXQdG2Tgl7-4T6sTN8gWSZurPLP0n1RboSs3BnX1qYr2gLb1SMDmflJOYehE7sWToyknrlkjlq9rLpR/s1600/p2.bmp" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="148" nx="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQc1em7v7fPCbifam9xYyVhym3GfbM70C-rWWZXQ1xrNAW1MbWp2PGEWo7BWTemAXQdG2Tgl7-4T6sTN8gWSZurPLP0n1RboSs3BnX1qYr2gLb1SMDmflJOYehE7sWToyknrlkjlq9rLpR/s320/p2.bmp" width="320" /></a></div>MESA 2 6Dhttp://www.blogger.com/profile/16812437372255673909noreply@blogger.com0tag:blogger.com,1999:blog-4390588322843815871.post-50375438661492917522010-10-30T12:01:00.000-07:002010-10-30T12:01:02.135-07:00ESTRUCTURA DE LAS PLAQUETAS<div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><b style="mso-bidi-font-weight: normal;"><span style="font-family: 'Arial','sans-serif';">Capa exterior o glucocáliz </span></b></div><ul type="disc"><li class="MsoNormal" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; line-height: normal; margin: 0cm 0cm 10pt; mso-list: l4 level1 lfo1; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidRoIWEj3TrIDPjCF8RtWj-VcehhXGD9oNlUso1AJJwGxVniKsXSOERAHBUq318I6zpMyuAd9eqEHtO96e1cnlhrOB4_V7T5gX8o2j4zWD7z7GR_NLZ6Oo6zjQ-tqelaXnUVnXHJA8oQot/s1600/p3.bmp" imageanchor="1" style="clear: right; cssfloat: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="320" nx="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidRoIWEj3TrIDPjCF8RtWj-VcehhXGD9oNlUso1AJJwGxVniKsXSOERAHBUq318I6zpMyuAd9eqEHtO96e1cnlhrOB4_V7T5gX8o2j4zWD7z7GR_NLZ6Oo6zjQ-tqelaXnUVnXHJA8oQot/s320/p3.bmp" width="181" /></a><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Es lo que está en contacto con el plasma circulante. </span></li>
<li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l4 level1 lfo1; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Contiene ATP-asa contráctil. </span></li>
<li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l4 level1 lfo1; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Es la estructura con la que se adhieren las plaquetas. </span></li>
<li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l4 level1 lfo1; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Tiene avidez por proteínas externas. </span></li>
</ul><b style="mso-bidi-font-weight: normal;"><span style="font-family: 'Arial','sans-serif';">Membrana celular </span></b><br />
<ul type="disc"><li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l2 level1 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Es trilaminar. </span></li>
<li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l2 level1 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Tiene proteína contráctil que participa en la retracción del coágulo (trombostetina). </span></li>
<li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l2 level1 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Tiene ácido araquidónico (precursor de prostaglandinas). </span></li>
</ul><b style="mso-bidi-font-weight: normal;"><span style="font-family: 'Arial','sans-serif';">Área submembranosa </span></b><br />
<ul type="disc"><li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l5 level1 lfo3; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Es la parte interna de la zona periférica. </span></li>
<li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l5 level1 lfo3; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Es filamentosa. </span></li>
<li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l5 level1 lfo3; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Mantiene la forma discoidal del a plaqueta y participa en la estabilización de los tentáculos de los trombocitos. </span></li>
</ul><b style="mso-bidi-font-weight: normal;"><span style="font-family: 'Arial','sans-serif';">Haz marginal de microtúlos</span></b><br />
<ul type="disc"><li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l6 level1 lfo4; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Anillo situado debajo de la pared celular. </span></li>
<li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l6 level1 lfo4; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Compuesto de subfilamentos. </span></li>
<li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l6 level1 lfo4; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Es un citoesqueleto que mantiene la forma de disco de la plaqueta. </span></li>
<li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l6 level1 lfo4; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Se pierde cuando se activan los trombocitos. </span></li>
</ul><b style="mso-bidi-font-weight: normal;"><span style="font-family: 'Arial','sans-serif';">Microfilamentos </span></b><br />
<ul type="disc"><li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l9 level1 lfo5; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Están formados por proteínas contráctiles como la actina, la miosina, la actomiosina (trombostetina), ... </span></li>
<li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l9 level1 lfo5; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Interviene en los cambios de forma de la plaqueta y en la secreción de sustancias. </span></li>
</ul><div style="margin-left: 36pt; mso-list: l3 level1 lfo10; text-indent: -18pt;"><span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-family: 'Times New Roman';"> </span></span></span><b style="mso-bidi-font-weight: normal;"><span style="font-family: 'Arial','sans-serif';">mitocondrias</span></b><span style="font-family: 'Arial','sans-serif';"><br />
Son poco abundantes. </span></div><div style="margin-left: 36pt; mso-list: l3 level1 lfo10; text-indent: -18pt;"><span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-family: 'Times New Roman';"> </span></span></span><span style="font-family: 'Arial','sans-serif';">Contribuyen al depósito de ATP y de calcio. </span></div><div style="margin-left: 36pt;"><span style="font-family: 'Arial','sans-serif';"><br />
<b style="mso-bidi-font-weight: normal;">Lisosomas </b></span></div><ul type="disc"><li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l0 level1 lfo6; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Contienen enzimas hidrolíticas que intervienen en la lisis celular. </span></li>
</ul><b style="mso-bidi-font-weight: normal;"><span style="font-family: 'Arial','sans-serif';">Gránulos densos </span></b><br />
<ul type="disc"><li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l1 level1 lfo7; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Son escasos. </span></li>
<li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l1 level1 lfo7; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Encierran metales y otras sustancias. </span></li>
<li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l1 level1 lfo7; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Tienen una función secretora. </span></li>
</ul><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><b style="mso-bidi-font-weight: normal;"><span style="font-family: 'Arial','sans-serif';">Gránulos alfa específicos </span></b></div><ul style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;" type="disc"><li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l7 level1 lfo8; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Son numerosos. </span></li>
<li class="MsoNormal" style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l7 level1 lfo8; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Sintetizados por el Aparato de Golgi. </span></li>
<li class="MsoNormal" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; line-height: normal; margin: 0cm 0cm 10pt; mso-list: l7 level1 lfo8; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Proteínas específicas que se liberan cuando se activan las plaquetas</span></li>
</ul><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><b style="mso-bidi-font-weight: normal;"><span style="font-family: 'Arial','sans-serif';">Aparato de Golgi </span></b></div><ul style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;" type="disc"><li class="MsoNormal" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; line-height: normal; margin: 0cm 0cm 10pt; mso-list: l8 level1 lfo9; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">En algunas plaquetas </span></li>
<li class="MsoNormal" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; line-height: normal; margin: 0cm 0cm 10pt; mso-list: l8 level1 lfo9; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Contribuyen a la síntesis de sustancias. </span></li>
</ul> <br />
<div style="text-align: right;"></div> <br />
<div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhExiI1BxaeL1Wwvmi5wV8jAJHjLsQzn8TAHzcpm5GPXkHb6SDpeHJqSwMkohTpuiU-NEYF4zNoK3JRd-5kbna2VsmUnWSRH_k8z1RfJHlt1D65RJ_V41-fjvE7xWU2WUsPQvLPUfMxe0e7/s1600/p3.bmp" imageanchor="1" style="clear: right; cssfloat: right; float: right; margin-bottom: 1em; margin-left: 1em;"></a></div>MESA 2 6Dhttp://www.blogger.com/profile/16812437372255673909noreply@blogger.com0tag:blogger.com,1999:blog-4390588322843815871.post-50929824713828217282010-10-30T11:56:00.000-07:002010-10-30T11:56:45.383-07:00FUNCIONES<div align="center" style="text-align: center;"><shapetype coordsize="21600,21600" filled="f" id="_x0000_t75" o:preferrelative="t" o:spt="75" path="m@4@5l@4@11@9@11@9@5xe" stroked="f"><stroke joinstyle="miter"></stroke><formulas><f eqn="if lineDrawn pixelLineWidth 0"></f><f eqn="sum @0 1 0"></f><f eqn="sum 0 0 @1"></f><f eqn="prod @2 1 2"></f><f eqn="prod @3 21600 pixelWidth"></f><f eqn="prod @3 21600 pixelHeight"></f><f eqn="sum @0 0 1"></f><f eqn="prod @6 1 2"></f><f eqn="prod @7 21600 pixelWidth"></f><f eqn="sum @8 21600 0"></f><f eqn="prod @7 21600 pixelHeight"></f><f eqn="sum @10 21600 0"></f></formulas><path gradientshapeok="t" o:connecttype="rect" o:extrusionok="f"></path><lock aspectratio="t" v:ext="edit"></lock></shapetype><shape alt="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOhgrBJAiJEBp4vTF0VEJGnGjUpL3gJEDwqVn5ivQdoHFvNjQeqs8on13RYjYosPbTG-BCDYGC8rkLpuLJd1KfdgZt3zrGKEw29lC73q8tpYH2077XWDJp3V3nVSTLnRPHcLR8GWPLdaY/s200/funciones.jpg" id="Imagen_x0020_11" o:spid="_x0000_s1026" style="height: 111pt; left: 0px; margin-left: 293.35pt; margin-top: 20.2pt; mso-position-horizontal-relative: text; mso-position-horizontal: absolute; mso-position-vertical-relative: text; mso-position-vertical: absolute; mso-wrap-distance-bottom: 0; mso-wrap-distance-left: 9pt; mso-wrap-distance-right: 9pt; mso-wrap-distance-top: 0; mso-wrap-style: square; position: absolute; text-align: left; visibility: visible; width: 175.8pt; z-index: -1;" type="#_x0000_t75" wrapcoords="-184 0 -184 21308 21563 21308 21563 0 -184 0"><imagedata o:title="funciones" src="file:///C:\DOCUME~1\ADMINI~1\CONFIG~1\Temp\msohtmlclip1\01\clip_image002.jpg"></imagedata><wrap type="tight"></wrap></shape></div><ul><li><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; margin-left: 36pt; mso-list: l0 level1 lfo1; text-indent: -18pt;"><span style="font-family: Wingdings; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings;"><span style="mso-list: Ignore;"><span style="font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: 'Arial','sans-serif';">Mantenimiento continúo de la integridad vascular al sellar las deficiencias menores del endotelio.</span></div></li>
<li><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; margin-left: 36pt; mso-list: l0 level1 lfo1; text-indent: -18pt;"><span style="font-family: Wingdings; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings;"><span style="mso-list: Ignore;"><span style="font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: 'Arial','sans-serif';">Detención inicial de la hemorragia a través de la formación de tapones plaquetarios</span></div></li>
</ul><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><span style="font-family: 'Arial','sans-serif'; font-size: 11pt; line-height: 115%; mso-ansi-language: ES-MX; mso-bidi-language: AR-SA; mso-fareast-font-family: Calibri; mso-fareast-language: EN-US; mso-fareast-theme-font: minor-latin;">Estabilización del tapón hemostático al contribuir con la actividad procoagulante haciendo <br />
que la cascada de coagulación forme fibrina</span></div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhbgwqD-P54SFPN8tr8HfA5Qu4QFSnf-50IWWQe22iyRRH0l4CWK2OXlvbrzFg3KMDWWHrAFkyAKx0jx2o5ydU6-w01nBnT6g8AsvWrlWgt5IAW7pBFRHMEqf1PUdp8fkMka11fe6izlc98/s1600/p4.bmp" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="202" nx="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhbgwqD-P54SFPN8tr8HfA5Qu4QFSnf-50IWWQe22iyRRH0l4CWK2OXlvbrzFg3KMDWWHrAFkyAKx0jx2o5ydU6-w01nBnT6g8AsvWrlWgt5IAW7pBFRHMEqf1PUdp8fkMka11fe6izlc98/s320/p4.bmp" width="320" /></a></div>MESA 2 6Dhttp://www.blogger.com/profile/16812437372255673909noreply@blogger.com0tag:blogger.com,1999:blog-4390588322843815871.post-66527248851544250222010-10-30T11:52:00.000-07:002010-10-30T11:52:31.167-07:00MECANISMOS DE COAGULACION<div align="center" style="text-align: center;"><br />
</div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZM5W-l8hbdJAa_R0n7POxZjOEquWxC-1Ht2hgcEuNn0j0WFs0aMeIHdpwSzV_3GrLSfu39G4Rj2L0LK9R8liMIt9dvvxqUyziQK6vC4mPhVsFy7hf19ECmkRdZAWhThAkaZA7zEjYs03K/s1600/p5.bmp" imageanchor="1" style="clear: left; cssfloat: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="200" nx="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZM5W-l8hbdJAa_R0n7POxZjOEquWxC-1Ht2hgcEuNn0j0WFs0aMeIHdpwSzV_3GrLSfu39G4Rj2L0LK9R8liMIt9dvvxqUyziQK6vC4mPhVsFy7hf19ECmkRdZAWhThAkaZA7zEjYs03K/s200/p5.bmp" width="141" /></a><shapetype coordsize="21600,21600" filled="f" id="_x0000_t75" o:preferrelative="t" o:spt="75" path="m@4@5l@4@11@9@11@9@5xe" stroked="f"><stroke joinstyle="miter"></stroke><formulas><f eqn="if lineDrawn pixelLineWidth 0"></f><f eqn="sum @0 1 0"></f><f eqn="sum 0 0 @1"></f><f eqn="prod @2 1 2"></f><f eqn="prod @3 21600 pixelWidth"></f><f eqn="prod @3 21600 pixelHeight"></f><f eqn="sum @0 0 1"></f><f eqn="prod @6 1 2"></f><f eqn="prod @7 21600 pixelWidth"></f><f eqn="sum @8 21600 0"></f><f eqn="prod @7 21600 pixelHeight"></f><f eqn="sum @10 21600 0"></f></formulas><path gradientshapeok="t" o:connecttype="rect" o:extrusionok="f"></path><lock aspectratio="t" v:ext="edit"></lock></shapetype><shape alt="http://www.harunyahya.es/libros/images/images_naturaleza/129.jpg" id="Imagen_x0020_14" o:spid="_x0000_s1026" style="height: 252.1pt; margin-left: 224pt; margin-top: 147.75pt; mso-position-horizontal-relative: text; mso-position-horizontal: absolute; mso-position-vertical-relative: text; mso-position-vertical: absolute; mso-wrap-distance-bottom: 0; mso-wrap-distance-left: 9pt; mso-wrap-distance-right: 9pt; mso-wrap-distance-top: 0; mso-wrap-style: square; position: absolute; visibility: visible; width: 142.3pt; z-index: -1;" type="#_x0000_t75"><imagedata o:title="129" src="file:///C:\DOCUME~1\ADMINI~1\CONFIG~1\Temp\msohtmlclip1\01\clip_image002.jpg"></imagedata><wrap type="square"></wrap></shape><span style="font-family: 'Arial','sans-serif';">El proceso de coagulación más propiamente dicho, consiste en la transformación de una sustancia presente en el plasma, llamada fibrinógeno, en otra llamada fibrina. Esta reacción se produce por obra de la trombina, que se forma a partir de la protrombina, bajo la influencia de la tromboplastina. En condiciones normales, no existe trombina (pero está presente un precursor inactivo suyo, la protrombina, que es una proteína de origen hepático) ni tromboplastina, pues de lo contrario, la sangre se coagularía habitualmente en los vasos con graves consecuencias</span></div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><span style="font-family: 'Arial','sans-serif';">Por lo tanto, en la coagulación podemos distinguir tres momentos</span></div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><br />
</div><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"><br />
</div><ul><li><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; margin-left: 72pt; mso-list: l0 level1 lfo1; text-indent: -18pt;"><span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;"><span style="font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: 'Arial','sans-serif';">Formación de la tromboplastina</span></div></li>
<li><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; margin-left: 72pt; mso-list: l0 level1 lfo1; text-align: justify; text-indent: -18pt;"><span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;"><span style="font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: 'Arial','sans-serif';">Transformación de la protrombina en trombina</span><span style="font-family: 'Arial','sans-serif';"> </span></div></li>
<li><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; margin-left: 72pt; mso-list: l0 level1 lfo1; text-align: justify; text-indent: -18pt;"><span style="font-family: 'Arial','sans-serif';"> Transformación del fibrogeno, proteína soluble en fibrina insoluble.</span></div></li>
</ul><div style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none;"></div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiW79xGqY64IyQq7g2cpl0JT9I_jWpbCMWH-FtKK5QzXRm53FvlMoxpIRmKfqezOJ0QDOfSdJScf4YxLErp-YDbivSSEhqkVFqK_KLq1dnCVtx6y7d4xXkcL7dvM52750xLpcozHG6bcdQh/s1600/p6.bmp" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="320" nx="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiW79xGqY64IyQq7g2cpl0JT9I_jWpbCMWH-FtKK5QzXRm53FvlMoxpIRmKfqezOJ0QDOfSdJScf4YxLErp-YDbivSSEhqkVFqK_KLq1dnCVtx6y7d4xXkcL7dvM52750xLpcozHG6bcdQh/s320/p6.bmp" width="179" /></a></div>MESA 2 6Dhttp://www.blogger.com/profile/16812437372255673909noreply@blogger.com2