paraumbilical veins


par·a·um·bil·i·cal veins

[TA] several small veins arising from cutaneous veins about the umbilicus running along the round ligament of the liver, and terminating as accessory portal veins in the substance of this organ; they constitute a portocaval anastomosis and are subject to varicosity during portal hypertension; varicose paraumbilical veins form the "caput medusae." Synonym(s): venae paraumbilicales [TA], Sappey veins

par·a·um·bil·i·cal veins

(par'ă-ŭm-bil'i-kăl vānz) [TA] Origin: arise from cutaneous veins around the umbilicus running along the round ligament of the liver, and terminating as accessory portal veins in its substance; they constitute a portocaval anastomosis and are subject to varicosity during portal hypertension; varicose paraumbilical veins form the caput medusae.

Sappey,

Marie P.C., French anatomist, 1810-1896. Sappey fibers - nonstriated muscular fibers in the check ligaments of the eyeball.Sappey plexus - a network of lymphatics in the areola of the nipple.Sappey veins - several small veins arising from cutaneous veins about the umbilicus, running along the round ligament of the liver and terminating as accessory portal veins. Synonym(s): paraumbilical veins