basion

basion
The middle point on the anterior margin of the foramen magnum, opposite the opisthion. [G. basis, a base]

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ba·si·on 'bā-sē-.än, -zē- n the midpoint of the anterior margin of the foramen magnum

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n.
the midpoint of the anterior border of the large hole (foramen magnum) at the base of the skull.

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ba·si·on (baґse-on) [Gr. basis base] [TA] a craniometric landmark located at the midpoint of the anterior border of the foramen magnum, at the base of the clivus. Called also point Ba. basial, basialis adj

Basion, in an inferior view of the skull.


Medical dictionary. 2011.

Look at other dictionaries:

  • basión — punto craneométrico situado en el punto medio del borde anterior del agujero occipital en el plano mesosagital. imagen anatómica [véase http://www.iqb.es/diccio/b/ba.htm#basion] Diccionario ilustrado de Términos Médicos.. Alvaro Galiano. 2010 …   Diccionario médico

  • basion — ● basion nom masculin Repère anthropométrique situé sur le milieu du bord antérieur du trou occipital. basion [bazjɔ̃] n. m. ÉTYM. V. 1900; dér. sav. du grec basis « base ». ❖ ♦ Anthrop. Bord antérieur du trou occipital sur la ligne médiane …   Encyclopédie Universelle

  • Basion — Ba si*on, n. [Gr. ba sis a base.] (Anat.) The middle of the anterior margin of the great foramen of the skull. [1913 Webster] …   The Collaborative International Dictionary of English

  • basion — [bā′sē ən] n. [ModL < Gr basis: see BASIS] the midpoint of the front border of the foramen magnum …   English World dictionary

  • Basion — Infobox Anatomy Name = PAGENAME Latin = GraySubject = 46 GrayPage = 181 Caption = Occipital bone at birth. (Basion visible but not labeled.) Caption2 = System = Precursor = MeshName = MeshNumber = DorlandsPre = b 05 DorlandsSuf = 12179057 The… …   Wikipedia

  • basion — ˈbāsēˌän also zē noun ( s) Etymology: New Latin, irregular from Latin basis base more at base : the midpoint of the anterior margin of the foramen magnum * * * /bay see on , zee /, n. Craniom. the midpoint of the anterior margin …   Useful english dictionary

  • basion-bregma height — or ba·si bregmatic height .bā si n the distance between the basion and bregma …   Medical dictionary

  • basion-prosthion line — n a line from the basion to the prosthion …   Medical dictionary

  • Basion, Basiopischer Winkel — Basion, Basiopischer Winkel, s. Schädel …   Meyers Großes Konversations-Lexikon

  • basion-bregma height — ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ˈ ̷ ̷ ̷ ̷ noun or basi bregmatic height | ̷ ̷ ̷ ̷ at basi +... : the distance between basion and bregma …   Useful english dictionary

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