CARDIOVASCULAR SYSTEM
• Heart
• Vessels arteries
veins
capillaries continuous
fenestrated
sinusoids
Continuous capillary
Fenestrated capillary
Sinusoid
General structure
of blood vessels
A
V
V
D
capillaries, arterioles, venules [endothelium], ducts [epithelium]
arteriole and venule
A
A
V
V
V
V
A
muscular artery and vein - HE
muscular artery and vein - orcein
V
A
muscular artery
HE orcein
membrana elastica interna
vein (1-intima, 2-media, 3-adventitia)
HE orcein
2
3
1
aorta
HE orcein
aorta – intima *
HE orcein
* *
aorta (orcein) – adventitia, vasa vasorum, nervi vasorum
vena cava (HE)
myocardium
HE Heidenhain
cardiomyocyte (TEM)
Fetal
blood circulation
left atrium
lung
left ventricle
right atrium
right ventricle
umbilical cord
CARDIOVASCULAR SYSTEM
Slides
Muscular artery and vein (59 – HE, 60 - orcein)
Aorta (61 – HE, 62 - orcein)
Vena cava (63 - HE)
Myocardium (64 – HE, 65 - Heidenhain)
Atlas EM:
Arteriole (59)
Continuous capillary (55)
Fenestrated capillary (56, 57)
Sinusoid capillary (58)
Cardiomyocyte (44-46)
Development of heart, embryonic and fetal blood circulation (91-93)