SISTEMA CARDIOVASCULAR
Transcript of SISTEMA CARDIOVASCULAR
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SISTEMA
CARDIOVASCULAR
CORAZÓN Y GRANDES VASOS
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CORAZÓN
El corazón es una estructura cónica
relativamente pequeña, de tamaño casi igual al
del puño de la persona: unos 12 cm de
longitud, 9 cm de ancho y 6 cm de espesor.
Pesa 250 gr en mujeres y 300 gr en varones
adultos. Se localiza por encima del diafragma,
cerca de la línea media del tórax; está en el
mediastino, que es una masa de tejidos que se
sitúa entre el esternón y la columna vertebral,
y las pleuras a los costados.
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1 vena cava superior
2 arco aórtico
3 tronco pulmonar
4 base del corazón
5 borde derecho
6 pulmón derecho
7 pleura (cortada para
revelar el pulmón en su
interior)
8 cara inferior
9 diafragma
10 pulmón izquierdo
11 borde izquierdo
12 vértice cardiaco (apex)
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Estructura del corazón
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Válvulas cardíacas
Válvulas cardíacas: 1: semilunar
aórtica; 2: semilunar pulmonar; 3:
mitral; 4: tricúspide.
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Corazón en sístole
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Corazón en diástole
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AORTA TORACICA
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TRONCO CELÍACO
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ARTERIA ESPLENICA
(BAZO)
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ARTERIAS
MESENTÉRICAS
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ARTERIAS Y VENAS
ILÍACAS