Tearing away. A nerve can be avulsed by an injury, as can part of a bone.
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A tearing away or forcible separation. Cf.:evulsion. [L. a-vello, pp. -vulsus, to tear away]
- nerve a. the tearing away of a peripheral nerve at its point of origin from its parent nerve due to traction.
- root a. the tearing away of the anterior and posterior primary nerve roots from the spinal cord, due to severe traction; most often the C5 through T1 roots are affected.
- tooth a. the traumatic separation of a tooth from its alveolus.

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avul·sion ə-'vəl-shən n a tearing away of a body part accidentally or surgically <\avulsion of the fingernail>

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1. the tearing or forcible separation of part of a structure. For example, a tendon may be torn from the bone to which it attaches or the skin of the scalp may be torn from the underlying tissue and bone.
2. (in dentistry) the knocking out of a tooth by trauma. The tooth may be replanted (see replantation).

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avul·sion (ə-vulґshən) [L. avulsio, from a-2 + vellere to pull] the ripping or tearing away of a part either accidentally or surgically.

Deep avulsion of the leg.

Medical dictionary. 2011.

Look at other dictionaries:

  • avulsion — [ avylsjɔ̃ ] n. f. • fin XIVe; lat. avulsio, de avellere « arracher » ♦ Didact. Action d arracher. ⇒ arrachement. L avulsion d une dent. ⇒ extraction. ● avulsion nom féminin (latin avulsio, arrachement) Force subite par laquelle un fleuve ou une… …   Encyclopédie Universelle

  • avulsion — avul·sion /ə vəl shən/ n [Latin avulsio act of tearing away, from avellere to tear away, from a off, away + vellere to pull, pluck]: a sudden cutting off of land by flood or change in the course of a body of water; esp: one that separates a… …   Law dictionary

  • Avulsion — in general refers to a tearing away. Specifically, it can refer to: * A form of amputation where the extremity is pulled off rather than cut off. * Avulsion fracture * Avulsion injury, the removal of all the layers of skin from abrasion * In the… …   Wikipedia

  • avulsión — f. cirug. Extracción o arrancamiento de una parte de un cuerpo. Medical Dictionary. 2011. avulsión extracción o arrancamiento de una …   Diccionario médico

  • Avulsion — A*vul sion, n. [L. avulsio.] 1. A tearing asunder; a forcible separation. [1913 Webster] The avulsion of two polished superficies. Locke. [1913 Webster] 2. A fragment torn off. J. Barlow. [1913 Webster] 3. (Law) The sudden removal of lands or… …   The Collaborative International Dictionary of English

  • Avulsion — (lat.), Ab , Losreißung; s. Akzession …   Meyers Großes Konversations-Lexikon

  • Avulsion — (lat.), Ab , Loßreißung eines Erdkörpers (Avulsum) durch Wassergewalt und seine Ansetzung an eine andere Uferstelle. Die Rechtssätze hierüber sind in Deutschland dem Landesrecht überlassen …   Kleines Konversations-Lexikon

  • avulsión — (Del lat. avulsĭo, ōnis). f. Med. extirpación …   Diccionario de la lengua española

  • avulsion — [ə vul′shən] n. [L avulsio < a , from + pp. of vellere, to pull: see REVULSION] 1. a separation by force 2. Med. the tearing away of a structure or part by surgical traction or by accident 3. a structure, part, etc. separated by force 4. the… …   English World dictionary

  • avulsión — ► sustantivo femenino MEDICINA Acción y resultado de extraer un órgano o formación patológica de su sitio. SINÓNIMO extirpación * * * avulsión (del lat. «avulsĭo, ōnis») f. Cir. Extirpación. * * * avulsión. (Del lat. avulsĭo, ōnis). f …   Enciclopedia Universal

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