- hypophysial portal circulation
- hypophysioportal circulation hypothalamo-hypophysial portal system.
Medical dictionary. 2011.
hypophysial portal circulation
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portal circulation — 1. the circulation of blood from the capillaries of one organ through larger vessels to the capillaries of another organ, before returning through larger veins back to the heart. 2. the passage of the blood from capillaries of the… … Medical dictionary
hypothalamo-hypophysial portal system — the venules connecting the capillaries (gomitoli) in the median eminence of the hypothalamus with the sinusoidal capillaries of the adenohypophysis. See venae portales hypophysiales. Called also hypophysial portal or hypophysioportal circulation … Medical dictionary
portal system — n a system of veins that begins and ends in capillaries see HEPATIC PORTAL SYSTEM, PITUITARY PORTAL SYSTEM * * * a vein or group of veins that terminates at both ends in a capillary bed. The best known is the hepatic portal system, which consists … Medical dictionary
Circulation — The movement of fluid in a regular or circuitous course. Although the noun "circulation" does not necessarily refer to the circulation of the blood, for all practical purposes today it does. Heart failure is an example of a problem with … Medical dictionary
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system — 1. [TA] A consistent and complex whole made up of correlated and semiindependent parts. A complex of functionally related anatomic structures. 2. The entire organism seen as a complex organization of parts. 3. Any complex of structures… … Medical dictionary
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