vertex

vertex definition - medical

ver·tex (vûrˈtĕksˌ)

noun pl. ver·tex·es or ver·ti·ces (-tĭ-sēzˌ)
  1. The highest point; the apex.
  2. The topmost point of the vault of the skull; the crown of the head.
  3. The portion of the fetal head bounded by the planes of the trachelobregmatic and biparietal diameters, with the posterior fontanel at the apex.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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