Anatomy
ethmoid bone Audio
eth·moid bone [ eth-moid bohn ]
Subclass of:
Bone structure of cranium
Definitions related to ethmoid bone:
  • A light and spongy (pneumatized) bone that lies between the orbital part of FRONTAL BONE and the anterior of SPHENOID BONE. Ethmoid bone separates the ORBIT from the ETHMOID SINUS. It consists of a horizontal plate, a perpendicular plate, and two lateral labyrinths.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • A light and spongy bone that is cubical in shape. This bone is positioned at the anterior part of the cranium, sitting between the two orbits, at the roof of the nose. It consists of four parts: a horizontal or cribriform plate; a perpendicular plate; and two lateral masses or labyrinths.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
Try this search on: Farlex, Merriam-Webster, Oxford Dictionary, or Wordnik

This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.