- hemorrhoidal vessels
- veins of the rectum that have become dilated and swollen; see hemorrhoid.
Medical dictionary. 2011.
hemorrhoidal vessels
Look at other dictionaries:
hemorrhoidal — 1. Relating to hemorrhoids. 2. Formerly applied to certain arteries and veins supplying the region of the rectum and anus, currently described by “anal” or “rectal.” * * * hem·or·rhoid·al or chiefly Brit haem·or·rhoid·al .hem ə rȯid əl adj 1) of … Medical dictionary
Inferior anal nerves — Infobox Nerve Name = PAGENAME Latin = nervi anales inferiores, nervi rectales inferiores, nervus haemorrhoidalis inferior GraySubject = 213 GrayPage = 968 Caption = The superficial branches of the internal pudendal artery. (Inferior anal nerves… … Wikipedia
Sigmoid mesocolon — Infobox Anatomy Name = PAGENAME Latin = mesocolon transversum GraySubject = 246 GrayPage = 1157 Caption = Diagram showing the lines along which the peritoneum leaves the wall of the abdomen to invest the viscera. (Sigmoid mesocolon labeled at… … Wikipedia
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
Hemorrhoid — Hemorrhoids (AmE), haemorrhoids (BrE), emerods, or piles are varicosities or swelling and inflammation of veins in the rectum and indoor anus. The anatomical term hemorrhoids technically refers to Cushions of tissue filled with blood vessels at… … Wikipedia
Artery — A vessel that carries blood that is high in oxygen content away from the heart to the farthest reaches of the body. Since blood in arteries is usually full of oxygen, the hemoglobin in the red blood cells is oxygenated. The resultant form of… … 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
Superior rectal vein — Infobox Vein Name = PAGENAME Latin = vena rectalis superior GraySubject = 174 GrayPage = 681 Caption = The bloodvessels of the rectum and anus, showing the distribution and anastomosis on the posterior surface near the termination of the gut.… … Wikipedia
Nerve — A bundle of fibers that uses electrical and chemical signals to transmit sensory and motor information from one body part to another. See nervous system. * * * A whitish cordlike structure composed of one or more bundles (fascicles) of myelinated … Medical dictionary
digestive system, human — Introduction the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… … Universalium
