CP 3: Histology of CP
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11 terms
Terms | Definitions |
|---|---|
 1-5 layers of smooth muscle | arteriole |
| Up to 40 layers of smooth muscle | muscular artery |
| greater than 40; with elastic fibers | elastic artery = aorta |
| Two perpendicular layers of smooth muscle imply... | Great vein (vena cava) |
| Internal elastic lamina implies... | NOT venous |
| How to identify a vein | large lumen, thin media, thick adventitia |
| Purkinje fibers are found where | endocardium |
| Epicardium may have cells that look like Purkinje but what are they? | Adipose |
| How can you tell the difference between a lymphatic and a vein? | Cell type within! Vein will have enucleate RBCs, lymphatic should contain nucleated lymphocytes |
| Berry aneurism | blowout of the tunica media |
| varicose veins | valve insufficiency |
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