Efferent

Efferent
Carrying away. An artery is an efferent vessel carrying blood away from the heart. An efferent nerve carries impulses away from the central nervous system. The opposite of efferent is afferent.
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Conducting (fluid or a nerve impulse) outward from a given organ or part thereof; e.g., the e. connections of a group of nerve cells, e. blood vessel s, or the excretory duct of an organ. [L. efferens, fr. effero, to bring out]
- gamma e. the thin axon of a gamma motor neuron innervating the intrafusal muscle fibers of a muscle spindle.

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ef·fer·ent 'ef-ə-rənt; 'ef-.er-ənt, 'ē-.fer- adj conducting outward from a part or organ specif conveying nervous impulses to an effector <\efferent neurons> compare AFFERENT
ef·fer·ent·ly adv
efferent n an efferent part (as a blood vessel or nerve fiber)

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adj.
1. designating nerves or neurones that convey impulses from the brain or spinal cord to muscles, glands, and other effectors; i.e. any motor nerve or neurone.
2. designating vessels or ducts that drain fluid (such as lymph) from an organ or part. Compare afferent.

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ef·fer·ent (efґər-ənt) [L. ex out + ferre to bear] 1. conveying away from a center; called also centrifugal. 2. something that so conducts; see under fiber and nerve. Cf. corticifugal.

Medical dictionary. 2011.

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  • efférent — efférent, ente [ eferɑ̃, ɑ̃t ] adj. • 1805; lat. efferens, de efferre « porter hors » ♦ Anat. Qui conduit hors d un organe, qui va du centre vers la périphérie. Vaisseaux, nerfs efférents. Canaux (ou cônes) efférents : fins canaux spermatiques… …   Encyclopédie Universelle

  • Efferent — is an anatomical term with the following meanings: *Conveying away from a center, for example the Efferent arterioles conveying blood away from the Bowman s capsule in the Kidney. Opposite to Afferent. *Something that so conducts, see Efferent… …   Wikipedia

  • Efferent — Ef fe*rent, a. [L. efferens, entis, p. pr. of effere to bear out; ex out + ferre to bear.] (Physiol.) (a) Conveying outward, or discharging; applied to certain blood vessels, lymphatics, nerves, etc. (b) Conveyed outward; as, efferent impulses, i …   The Collaborative International Dictionary of English

  • Efferent — Ef fe*rent, n. An efferent duct or stream. [1913 Webster] …   The Collaborative International Dictionary of English

  • efferent — [ef′ər ənt] adj. [< L efferens, prp. of efferre, to carry out < ex , out + ferre, BEAR1] Physiol. carrying away from a central part; specif., designating nerves that carry impulses away from a nerve center: opposed to AFFERENT n. an… …   English World dictionary

  • efférent — efférent, ente (è ffé ran, ran t ) adj. Terme de physiologie. Qui emporte. Vaisseaux efférents, vaisseaux qui emportent les fluides sécrétés hors des glandes. Nerfs efférents, nerfs qui portent les actions du centre à la périphérie. ÉTYMOLOGIE… …   Dictionnaire de la Langue Française d'Émile Littré

  • efferent — efferent, motorisch, vom Zentrum des Nervensystems wegleitende Strukturen, also e. Neurone, e. Nervenfasern, e. Nerven, e. Bahnen …   Deutsch wörterbuch der biologie

  • efferent — by 1830s (implied in efferential), from L. efferentem (nom. efferens), prp. of effere to carry out or away, bring forth, from ef (see EX (Cf. ex )) + ferre to bear, carry (see INFER (Cf. infer)) …   Etymology dictionary

  • efferent — adjective Etymology: French efférent, from Latin efferent , efferens, present participle of efferre to carry outward, from ex + ferre to carry more at bear Date: 1856 conducting outward from a part or organ; specifically conveying nervous… …   New Collegiate Dictionary

  • Efferent — Dieser Artikel befasst sich mit Efferenzen im Nervensystem. Zu den efferenten Blutgefäßen (Vasa efferentia) der Nierenkörperchen (Glomerula) siehe Niere. Der Begriff „Efferenz“, als Adjektiv „efferent“, ist abgeleitet von dem lateinischen… …   Deutsch Wikipedia

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