- Pampiniform plexus
Name = PAGENAME
Latin = plexus pampiniformis
GraySubject = 258
GrayPage = 1240
Caption = Spermatic veins.
DorlandsPre = p_24
DorlandsSuf = 13490561
spermatic veinsemerge from the back of the testis, and receive tributaries from the epididymis: they unite and form a convoluted plexus, the plexus pampiniformis, which forms the chief mass of the cord.
In addition to its function in venous return from the testes, the pampiniform plexis also plays a roles in the temperature regulation of the testes. It acts as a
heat exchanger, cooling blood in adjacent arteries.
The vessels composing this plexus are very numerous, and ascend along the cord in front of the
ductus deferens; below the subcutaneous inguinal ringthey unite to form three or four veins, which pass along the inguinal canal, and, entering the abdomen through the abdominal inguinal ring, coalesce to form two veins.
These again unite to form a single vein, the testicular vein, which opens on the right side into the
inferior vena cava, at an acute angle, and on the left side into the left renal vein, at a right angle.
* - "Inguinal Region, Scrotum and Testes: Veins"
* - "Male Reproductive System: spermatic cord, pampiniform plexus"
* - "Spermatic cord"
* [http://animalsciences.rutgers.edu/faculty/katz/pampiniformplexus.jpgDiagram] at
Wikimedia Foundation. 2010.
Look at other dictionaries:
pampiniform plexus — pam·pin·i·form plexus pam pin ə .fȯrm n a venous plexus that is associated with each testicular vein in the male and each ovarian vein in the female called also pampiniform venous plexus * * * plexus pampiniformis 1. [TA] in the male, a 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
pampiniform — pamˈpinəˌfȯrm adjective Etymology: Latin pampinus tendril, vine leaf (of non Indo European origin) + English iform; akin to the source of Greek ampelos vine : convoluted and like a tendril used of a venous plexus associated with the spermatic or … Useful english dictionary
spermatic plexus — noun : the pampiniform plexus of the spermatic cord … Useful english dictionary
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Varicocele — Elongation and enlargement of the veins of the pampiniform plexus (the network of veins leaving the testis which join to form the testicular vein). Appears bluish through the scrotum and feels like a bag of worms. Can cause pain or discomfort. *… … Medical dictionary
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