Atlas Images
Floor of Fourth Ventricle, Posterior View
  1. Substantia ferruginea
  2. Facial colliculus
  3. Striae medullares
  4. Vestibular area
  5. Hypoglossal triangle
  6. Vagal triangle
  7. Calamus scriptorius
Image Copyright 1997 The Anatomy Project, Published by Parthenon Publishing Group, Unauthorized use prohibited.