venous plexus hemorrhoidal

venous plexus hemorrhoidal
p. venosus rectalis.

Medical dictionary. 2011.

Look at other dictionaries:

  • 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

  • Vaginal venous plexus — Infobox Vein Name = PAGENAME Latin = plexus venosus vaginalis GraySubject = 173 GrayPage = 677 Caption = Vessels of the uterus and its appendages, rear view. Caption2 = DrainsFrom = DrainsTo = Artery = vaginal artery MeshName = MeshNumber =… …   Wikipedia

  • 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

  • hemorrhoidal zone — the part of the anal canal that extends from the anal valves to the anus and contains the rectal venous plexus …   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

  • hemorrhoidal vein — noun any of several veins draining the walls of the anal canal and rectum • Syn: ↑rectal vein, ↑vena rectalis • Hypernyms: ↑vein, ↑vena, ↑venous blood vessel * * * noun : any of the veins corresponding to the hemorrhoidal arteries …   Useful english 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

  • 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

  • cushion — In anatomy, any structure resembling a pad or c.. anal cushions vascular prominences formed by clusters of normally sacculated veins of the superior rectal venous plexus, fed by arteriovenous anastomoses that cause their …   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

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