A forking; a division into two branches. SYN: bifurcatio [TA].
- b. of aorta SYN: aortic b..
- aortic b. [TA] the division of the aorta into right and left common iliac arteries; it occurs at the level of the fourth and fifth lumbar vertebral body. SYN: bifurcatio aortae [TA], b. of aorta.
- b. of pulmonary trunk [TA] the division of the pulmonary trunk into right and left pulmonary arteries. SYN: bifurcatio trunci pulmonalis [TA].
- b. of trachea SYN: tracheal b..
- tracheal b. [TA] the division of the trachea into the right and left main bronchi; it occurs at the level of the fifth or sixth thoracic vertebral body and is marked internally by the presence of a carina or keellike ridge between the diverging bronchi. SYN: bifurcatio tracheae [TA], b. of trachea.

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(in anatomy) the point at which division into two branches occurs; for example in blood vessels or in the trachea.

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bi·fur·ca·tion (bi″fər-kaґshən) [L. bifurcatio, from bi- + furca fork] 1. division into two branches. 2. bifurcatio.

Medical dictionary. 2011.


Look at other dictionaries:

  • bifurcation — [ bifyrkasjɔ̃ ] n. f. • 1560 anat.; de bifurquer 1 ♦ Didact. Division en deux branches. Bifurcation d une tige de plante. ⇒ dichotomie, enfourchure, fourche. 2 ♦ Cour. Endroit où une voie de communication se dédouble. Bifurcation d une route (⇒… …   Encyclopédie Universelle

  • Bifurcation — means the splitting of a main body into two parts.Bifurcation or Bifurcated may refer to:*Bifurcation (law), the division of issues in a trial for example the division of a page into two parts. *Bifurcation theory, the study of bifurcation in… …   Wikipedia

  • Bifurcation — Bi fur*ca tion, n. [Cf. F. bifurcation.] A forking, or division into two branches. [1913 Webster] …   The Collaborative International Dictionary of English

  • bifurcation — index dichotomy, severance, split Burton s Legal Thesaurus. William C. Burton. 2006 bifurcation …   Law dictionary

  • bifurcation — BIFURCATION. s. f. Terme d Anatomie. Il se dit d Une partie qui fourche et se divise en deux. La bifurcation de la racine d une dent. Il se dit aussi en parlant Des arbres …   Dictionnaire de l'Académie Française 1798

  • Bifurcation — (v. lat.), Zangengabelgestalt, z.B. die Trennung des Stammes in 2 Äste, besonders in der Anatomie die Gabeltheilung der Luftröhre …   Pierer's Universal-Lexikon

  • Bifurcation — Bifurcation, die gabelförmige Theilung in 2 Arme. besonders bei Flüssen …   Herders Conversations-Lexikon

  • bifurcation — [bī΄fər kā′shən] n. 1. the act or fact of bifurcating 2. the place where this occurs * * * See bifurcately. * * * …   Universalium

  • bifurcation — 1610s, the point at which something splits in two, noun of action from BIFURCATE (Cf. bifurcate) (v.). Meaning division into two forks is from 1640s …   Etymology dictionary

  • bifurcation — [bī΄fər kā′shən] n. 1. the act or fact of bifurcating 2. the place where this occurs …   English World dictionary

  • Bifurcation — The splitting of a larger whole or main body into two smaller and separate units. Bifurcation can occur when one company divides into two separate divisions, thereby creating two new companies that can each issue shares to stockholders.… …   Investment dictionary

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