Diagram of an Artery and a Vein
Transverse section through a small artery and vein. Labels: A, artery; V, vein; e, epithelial lining; m, middle muscular and elastic coat, thick in the artery, much thinner in the vein; a, outer coat of areolar tissue, magnified 350 diameters.
GalleriesHuman Systemic Circulation
Martin, H. Newell The Human Body: A Text-book of Anatomy, Physiology and Hygiene (New York: Henry Holt and Company, 1900) 172