Artery vs. Vein

Ross p305

Lab 9 Slide 21

Artery vs. Vein – High Power

Lab 9 Slide 23 Lab 9 Slide 25

Artery vs. Vein – Weigert Stain

Lab 9 Slide 19

Elastic ArteryMuscular Artery

Vein

Arteries and Veins – Getting Smaller

A

B

C

Artery

Vein

Lymphatic

Lab 9 Slide 27

Arteriole vs. Venule

Another View

Arteriole

Venule

See Also: Ross, Figure 12.9b

Lab 9 Slide 27

Lab 9 Slide 29

In Skin – Arteriole vs. Sweat Duct

Endothelium + Smooth Muscle

Cuboidal Epithelium

Capillaries

Endothelial Cell

Adipocyte NucleusCapillary

Capillaries – EM

Types of Capillaries

Continuous•Endothelium w/o fenestrations

•Continuous basal lamina

•Muscle, lung, CNS

Fenestrated•Fenestrations (spaces) between endothelial cells

•Continuous Basal Lamina

•Endocrine glands, sites of absorption

Discontinuous (Sinusoidal)•Large gaps between cells

•Interrupted Basal Lamina

•Liver, Spleen, Bone Marrow

Question 4 &5

A

B

C

D

Question 6