Cardiovascular System

 


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Plate

Figure

Slide

Comments
A. Heart
 

45

1-3

24

25

suppl.

Cardiac tissue, Iron Hematoxylin
Cardiac tissue, H&E

 33

 1,2
 25
26
Cardiac tissue, Purkinje fibers.
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-

44

suppl.

Rat heart
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Plate

Figure

Slide

Comments
B. Blood vessels
1. Capillary

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-

suppl.

suppl.

63

66

Various tissues; H&E. The simplest blood vessel. Look for a cylindrical space bounded by a single layer of endothelial cells, the nuclei of which often bulge into he lumen of the capillary. The vessel may or may not contain blood cells, depending on how the tissue was prepared.
2. Arteriole

48

1-3
66

66

67

suppl.

suppl.

suppl.

Various tissues; H&E. Look for a "capillary" with 1-2 layers of smooth muscle. Note that the orientation of the nuclei of the endothelial cells is parallel to the long axis of the vessel. whereas that of the smooth muscle cells is at perpendicular to the long axis of the vessel.
3. Small artery

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-

5

66

66

suppl.

suppl.

suppl.

Various tissues, H&E. Artery with 3-10 layers of smooth muscle.
4. Muscular artery
47
1,2
Artery, vein and nerve. H&E.

63

suppl.

Various tissues, H&E.
5. Elastic artery

46

1-6
46
Blood vessels of cat and goat, elastin stain.
47-49
Blood vessels of cat and goat, H&E.
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Plate

Figure

Slide

Comments
6. Vein

47

3

45

63

66

suppl.

Various tissues, H&E.
7. Lymphatic vessel

48

4,5

63

66

67

suppl.

suppl.

suppl.

Various tissues, H&E. Look for irregularly shaped vessels, often with a non-cylindrical cross section, with a thin wall composed exclusively of endothelial cells. The absence of red blood cells is diagnostic only when surrounding blood vessels clearly contain them.
8. Umbilical artery and vein

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4
Umbilical cord, H&E.




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