Cardiovascular System: The Heart. FUNCTIONS OF THE CARDIOVASCULAR SYSTEM.
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Transcript of Cardiovascular
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Corazon-vasos sanguineos:arterias,vernas,capilares
Dominio microvascular:intercamboagua,saes, gases, metabolitos.
Corazòn : 2 circulaciones Sistema de vìas linfàticas.
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ARTERIAS VENAS CAPILARES-DOMINIO
MICROVASCULAR
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TUNICA INTERNA O INTIMA: ENDOTELIO SUBENDOTELIO
TUNICA MEDIA O INTERMEDIA : TEJ MUSCULAR LISO
TUNICA EXTERNA O ADVENTICIA; TEJ CONJUNTIVO
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CAPILARES:SOLO ENDOTELIO SOLO
SISTEMA O DOMINIO MACROVASCULAR
SISTEMA O DOMINIO MICROVASCULAR
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CONCEPTO PRESION ARTERIAL PAREDES GRUESAS
DIFERENCIA
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ARTERIAS GRANDES-ELASTICAS 10MM
LAMINA ELASTICA INTERNA FENESTRACION LAMINA ELASTICA EXTERNA EJEMPLOS
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Adventicia
Endotelio arterial
Túnica media
Orificio Aórtico
Lámina elástica interna
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LA MAYOR PARTE 0.1MM A 10MM MAS MUS . LISO TEJIDO SUBENDOTELIAL LAMINA ELASTICA INTERNA 10-4 CAPAS MUSC . LISO TONO MUSCULAR
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MENOR 100 um CARECE LAMINA ELASTICA EXTERNA PARTE TERMINAL-METAARTERIOLA-
ESFINTER PRECAPILAR SON VASOS DE RESISTENCIA GRADO RESISTENCIA PERIFERICA
PRESION SANGUINEA DIASTOLICA
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Adventicia
Túnica media
Lámina elástica interna
Endotelio
Luz de la arteriola
Lámina elástica externa
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ARTERIOLAS-METAARTERIOLAS
CAPILAR VENULAS POSTCAPILARES
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SON LOS VASOS SANGUINEOS MAS PEQUEÑOS
NOMBRE DIAMETRO 10um ANASTOMOSIS-DOMINIO CAPILAR CANAL O VIA PREFERENCIAL ESTRUCTURA-ENDOTELIO Y
MEM.BASAL
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TIPOS: CONTINUOS FENESTRADOS SINUSOIDES
PERICITOS
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ESTRUCTURA ENDOTELIO MEM.BASAL
ENDOTELIO MENOS DENSO 50 A100um 1-2 CAPAS
MUSCULARES DIFERENCIAR ARTERIOLAS
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Endotelio
Núcleo endotelial
Luz de una vénula
Núcleo de un pericito
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FUNCION :
TA -COAGULACION -FLUJO LOCAL -MIGRACION CELULAR
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GRANULOS WEIBEL PALADE-ENDOTELIO ARTERIAL
ENDOTELIO NO ACTIVA A LOS TROMBOCITOS
HEPARAN SULFATO ANTICOAGULANTE, PROSTACICLINA 1, OXIDO NITRICO.
ENDOTELIO SECRETA SUSTANCIAS COAGULANTES,FACTOR VON WILLEBRAND
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&SECRETA SUSTANCIAS VASODILADORAS: PG1-NO
&SECRETA SUSTANCIAS VASOCONSTRICTORAS:ENDOTELINAS
&OTROS FACTORES –O2-CO2- &PRODUCEN ENZIMA CONVERTIDORA
DE ANGIOTENSINA ECA, CONVIERTE A1EN A2 VASOCONSTRICTORA
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&ENDOTELIO SECRETA SUSTANCIAS QUE CONTROLAN LA MIGRACION C.
&LEUCOCITOS-LINFOCITOS - NUTRICION CELULAR - PRODUCEN ENZIMA
CONVERTIDORA DE ANGIOTENSINA ECA, CONVIERTE A1EN A2 VASOCONSTRICTORA
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PRESION HIDROSTATICA FILTRACION REABSORCION
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CONCEPTO PAREDES DE MENOR TAMAÑO VENAS SE VEN COLAPSADAS CARECE LAMINAS ELASTICA INT Y EXT. VENULAS VENAS PEQUEÑAS VENAS MEDIANAS GRANDES VENAS
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0.1 Y 10MM CAPAS GRANDES VENAS VALVAS VENOSAS IMPORTANCIA ,GRAVEDAD
CAPA ADVENTICIA V.G.
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SISTEMA DE VASOS ENTRE2 DOMINIOS CAPILARES
ANASTOMOSIS ARTERIOVENOSA
GLOMOS CAROTIDEO Y AORTICO
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GENERALIDADES AURICULAS,VENTRICULOS,VALVULAS
PARED CARDIACA ENDOCARDIO, MIOCARDIO,PERICARDIO
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EPITELIO SIMPLE PLANO-ENDOTELIO SUBENDOTELIO
TRABECULAS CARNOSAS MUSCULO CARDIACO CEL. MIOENDOCRINAS
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CAPA VISCERAL-EPICARDIO
CAPA PARIETAL PERICARDIO
EPITELIO SIMPLE PLANO
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VALVULAS CARDIACAS, ANILLOS FIBROSOS, TRIGONOS FIBROSOS, PARS MEMRANOSA DE
TABIQUES INTERVETRICULAES
Y CUERDAS TENDINOSAS
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NODULO SINOAURICULAR NODULO AURICULOVENTRICULAR HAS DE HISS DIVISION RAMAS VENTRICULOS
CELULAS DE PURKINJECELULAS NODALES
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DOS ARTERIAS CORONARIAS
VENA CORONARIAVASOS LINFATICOSNERVIOS
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Endotelio
Tej. Conectivo Subendotelial
Miocardio
Núcleo de fibras musculares
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Arteriola del miocardio
Discos intercalados
Núcleos de las fibrasmusculares
Célula endotelial
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Tienen núcleos de localización central y poseen miofibrillas relativamente escasas y dispuestas en forma periférica alrededor del sarcoplasma.
Se sitúan en la parte más profunda del endocardio, que es el revestimiento interno del corazón y son más anchas que las normales del miocardio.
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Núcleo de la célula dePurkinje
Endotelio del endocardio
Glucógeno de la célulade Purkinje
Arteriola del miocardio
Fibras musculares cardíacas
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Endotelio
Vaso linfático
Linfa
Tejido conectivo adiposo
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Corazón: Endocardio, Miocardio con células de Purkinje
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Corazón : Pericardio
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TEJIDO INTERTICIAL CAPILARES LINFATICOS VASOS COLECTORES TRONCOS PRINCIPALES VENAS DEL CUELLOCORAZONCONDUCTO TORACICO
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