nutrient artery

Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.


a vessel through which the blood passes away from the heart to various parts of the body. The wall of an artery consists typically of an outer coat (tunica adventitia), a middle coat (tunica media), and an inner coat (tunica intima).
 Representation of arterial coats: A, tunica intima; B, internal elastic lamina; C, tunica media; D, external elastic lamina; E, tunica externa. From Dorland's, 2000.
For names of specific arteries, see anatomic Table of Arteries in Appendices. See also Plate 8.
end artery one that undergoes progressive branching without development of channels connecting with other arteries.
nutrient artery any artery that supplies the marrow, or medulla, of a long bone.

nu·tri·ent ar·ter·y

an artery of variable origin that supplies the medullary cavity of a long bone.

nu·tri·ent ar·te·ry

(nū'trē-ĕnt ahr'tĕr-ē) [TA]
An artery of variable origin that supplies the medullary cavity of a long bone.
Synonym(s): arteria nutricia [TA] , nutrient vessel.

nutrient artery

artery carrying oxygenated blood to a specific area of tissue, e.g. bone or nerve


1. nourishing; aiding nutrition.
2. a nourishing substance, food or component of food. Includes minerals, vitamins, fats, protein, carbohydrate and water.

nutrient allowance
the total feed provided to an animal for a day. Includes its basic nutritional requirements plus allowances for waste in the feeding process, special allowances for special states and activities, and for special qualities of the feed being used.
nutrient analysis
chemical analysis of feedstuff with measurement of fiber, protein, fat, carbohydrate, individual minerals and vitamins.
nutrient artery
one of the arterial blood supplies to a typical long bone; enters the bone via an oblique canal. Other blood supply routes to bone include metaphyseal, epiphyseal and periosteal arteries.
nutrient content
the proportion of a feed or diet that is digestible and assimilable. See also total digestible nutrients.
nutrient profile
a listing of the optimal level of each nutrient in dog and cat foods; published by the Association of American Feed Control Officials.
nutrient requirements
daily requirement for each nutrient for each animal species at the recognized stages of life and production; usually presented in feeding tables.
nutrient veins
mimics the nutrient artery.