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Sumario Histología del sistema cardiovascular

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Histología COMPLETA del corazón y vasos sanguíneos con tablas comparativas entre los diferentes tipos de tejidos, características y imágenes ejemplos con leyendas y muy detalladas!!

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  • April 16, 2023
  • 8
  • 2022/2023
  • Summary
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7. HISTOLOGÍA SISTEMA CARDIOVASCULAR
1. Componentes




sistema vascular sanguíneo
2. Estructura básica común
3. Vasos sanguíneos
4. Corazón

-> bomba, corazón & circuito de vasos


sistema arterial (red de distribución de sangre a capilares)
Sistema vascular
sistema venoso (devuelve sangre capilares → corazón)
sanguíneo



Sistema linfático: drenaje pasivo para devolver exceso líquido extravascular
(=linfa) al sistema vascular sanguíneo




ESTRUCTURA BÁSICA COMÚN

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1. Túnica intima (endotelio)


2. Túnica media (m. liso) 3. Túnica adventicia
(tej. conjuntivo)

1. Túnica intima
- endotelio c. epiteliales aplanadas
- capa subendotelial = lámina elástica limitante interna (LELI)

2. Túnica media
- músculo liso
- lámina elástica limitante externa (LELE)

3. Túnica adventicia
- tej. conjuntivo de soporte
- vasa vasorum (vasos grandes)

, VASOS SANGUÍNEOS

Arteria ELÁSTICAS MUSCULARES

Diámetro ø = 0,1-10mm ø > 10mm

Túnica intima Endotelio Endotelio
élastica Subendotelio I
colágeno +
elastina Subendotelio
Conectivo laxo
Fibras m. lisas
(macrófagos + fibroblastos)
LELI LELI muy aparente

Túnica media <<MEDIO Liso (colágeno, pocas fibras
¿liso? + (colágeno, láminas elásticas elásticas y fibrobastos)
fenestradas concéntricas fijadas por
c. racemosas, SFA y fibroblastos)
LELE LELE (menos definida)

Conjuntivo (colágeno, redes << EXTERNA
Túnica externa elásticas, macrófagos y fibroblastos) Conjuntivo (colágeno, elásticas,
adipocitos y fibroblastos)

Vasa y nerva sí sí + linfáticos
vasorum


Arterias elásticas:




subendotelio




limitada interna

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