Cardiovascular

Heart

Outer Heart Wall

Me: Mesothelium simple squamous

F: Fibrocollagenous tissue comprising the epicardium.

CA: Coronary artery

A: Layer of adipose tissue.

M: Myocardium

Inner Heart Wall

A

B

A: Endocardium

B: Purkinje fibers

Purkinje Fibers

P: Purkinje fibers

En: Endocardium

A

C

B

Vasculature

Large Artery

A

B

CA: Tunica intima

B: Tunica media

C: Tunica adventitia

A

B

Medium Artery

A

B

C

A: Tunica intima

B: Tunica media

C: Tunica adventitia

A

B

Small Artery

A

B

C

A: Tunica intima

B: Tunica media

C: Tunica adventitia

Arteriole

A

B

C

A: Tunica intima

B: Tunica media

C: Tunica adventitia

Capillary

A

A: Simple squamous

Large Vein

I

I: Tunica intima

M: Tunica media

A: Tunica adventitia

V: Vasa vasorum

Medium Vein

A

B

C

D

10. Medium Vein

A: Medium artery

B: Tunica intima

C: Tunica media

D: Tunica adventitia

Small Vein

A

V1 and V2: Venules

V3: Small vein

A: Valve

Venule

A

B

A: Venule

B: Valve

A

B