- rectal venous plexus
- rectal venous plexus n a plexus of veins that surrounds the rectum and empties esp. into the rectal veins called also rectal plexus
Medical dictionary. 2011.
rectal venous plexus
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Rectal venous plexus — Infobox Vein Name = PAGENAME Latin = plexus venosus rectalis, plexus haemorrhoidalis GraySubject = 173 GrayPage = 676 Caption = Scheme of the anastomosis of the veins of the rectum. Caption2 = The veins of the right half of the male pelvis.… … Wikipedia
rectal vein — n any of three veins that receive blood from the rectal venous plexus: a) one draining the lower part of the rectal venous plexus and emptying into the internal pudendal vein called also inferior hemorrhoidal vein, inferior rectal vein b) one… … Medical dictionary
rectal plexus — n RECTAL VENOUS PLEXUS * * * 1. p. venosus rectalis. 2. see p. rectalis inferior, p. rectalis medius, and p. rectalis superior … Medical dictionary
plexus venosus rectalis — [TA] rectal venous plexus: a venous plexus that surrounds the lower part of the rectum and drains into the rectal veins; called also hemorrhoidal p … Medical dictionary
rectal plexus inferior — 1. the subcutaneous portion of the rectal venous plexus, below the pectinate line. 2. p. rectalis inferior … Medical dictionary
rectal plexus superior — 1. the submucosal portion of the rectal venous plexus, above the pectinate line. 2. p. rectalis superior … Medical dictionary
venous plexus rectal — p. venosus rectalis … Medical dictionary
plexus — A network or interjoining of nerves and blood vessel s or of lymphatic vessels. [L. a braid] abdominal aortic (nervous) p. [TA] an autonomic p. surrounding the abdominal aorta, directly continuous with the thoracic aortic p. superiorly and … Medical dictionary
Vein — A blood vessel that carries blood low in oxygen content from the body back to the heart. The deoxygenated form of hemoglobin (deoxyhemoglobin) in venous blood makes it appear dark. Veins are part of the afferent wing of the circulatory system… … Medical dictionary
zone — A segment; any encircling or beltlike structure, either external or internal, longitudinal or transverse. SEE ALSO: area, band, region, space, spot. SYN: zona (1) [TA]. [L. zona] … Medical dictionary
