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pre·cap·il·lary (pre-kapґĭ-lar″e) 1. located just to the arterial side of a capillary. 2. arterial capillary.Medical dictionary. 2011.
precapillary sphincter — n a sphincter of smooth muscle tissue located at the arterial end of a capillary and serving to control the flow of blood to the tissues * * * a smooth muscle fiber encircling a true capillary where it originates from the arterial capillary,… … Medical dictionary
Precapillary sphincter — The precapillary sphincter is a band of smooth muscle that adjusts the blood flow into each capillary. Blood flow in a capillary changes as vasomotion occurs. The entire capillary bed may be bypassed by blood flow through arteriovenous… … Wikipedia
precapillary — pre·capillary … English syllables
precapillary — (ˈ)prēˌ adjective Etymology: pre + capillary (II) : being on the arterial side of and immediately adjacent to a capillary … Useful english dictionary
precapillary anastomosis — anastomosis between small arteries just before they become capillaries … Medical dictionary
precapillary arteriole — arterial capillaries … Medical dictionary
Sphincter — A sphincter is an anatomical structure, or a circular muscle, that normally maintains constriction of a natural body passage or orifice and which relaxes as required by normal physiological functioning. Sphincters are found in many animals; there … Wikipedia
arterial capillary — a type of minute vessel lacking a continuous muscular coat, intermediate in structure and location between an arteriole and a capillary; called also precapillary, precapillary arteriole, and metarteriole … Medical dictionary
Capillary — Capillaries are the smallest of a body s blood vessels, measuring 5 10 μm in diameter, which connect arterioles and venules, and enable the interchange of water, oxygen, carbon dioxide, and many other nutrient and waste chemical substances… … Wikipedia
Shock (circulatory) — Acute shock redirects here. For the psychological condition, see Acute stress reaction. Shock ICD 10 many incl. R57 ICD 9 785 DiseasesDB … Wikipedia
