anterior-posterior axis
the principal axis of the embryo. Also called rostrocaudal axis and embryonic axis

Dictionary of ichthyology. 2009.

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  • axis — 1) a line 2) the anterior posterior axis of the embryo …   Dictionary of ichthyology

  • Posterior longitudinal ligament — Infobox Ligament Name = Posterior longitudinal ligament Latin = ligamentum longitudinale posterius GraySubject = 72 GrayPage = 288 Caption = Posterior longitudinal ligament, in the thoracic region. (Posterior longitudinal ligament runs vertically …   Wikipedia

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  • Axis (anatomía) — Axis Hueso axis, vista superior. Gray Tema #21 99 El hueso axis (llamado así por la palabra …   Wikipedia Español

  • Posterior — Pos*te ri*or (p[o^]s*t[=e] r[i^]*[ e]r), a. [L. posterior, compar. of posterus coming after, from post after. See {Post }.] 1. Later in time; hence, later in the order of proceeding or moving; coming after; opposed to {prior}. [1913 Webster]… …   The Collaborative International Dictionary of English

  • Axis — The axis is the second cervical vertebra (symbol: C2). It is called the axis because the uppermost cervical vertebra (called the atlas) rotates about the odontoid process of C2. The joint between the axis and atlas is a pivot type of joint. It… …   Medical dictionary

  • Axis (anatomy) — Bone: Axis (anatomy) Second cervical vertebra, or epistropheus, from above …   Wikipedia

  • Posterior branches of cervical nerves — Infobox Nerve Name = PAGENAME Latin = rami posteriores nervorum cervicalium GraySubject = 209 GrayPage = 921 Caption = Posterior primary divisions of the upper three cervical nerves. Caption2 = Innervates = BranchFrom = cervical nerves BranchTo …   Wikipedia

  • axis opticus — [TA] optic axis: a line connecting the center of the anterior curvature of the cornea (anterior pole) with that of the posterior curvature of the sclera (posterior pole). Axes of the eye …   Medical dictionary

  • Anterior commissure — Brain: Anterior commissure Coronal section of brain through anterior commissure. (Label for anterior commissure is on left, third from bottom.) …   Wikipedia

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