- mastoid cavity
- antrum mastoideum.
Medical dictionary. 2011.
mastoid cavity
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mastoid antrum — n TYMPANIC ANTRUM * * * antrum mastoideum [TA] an air space in the mastoid portion of the temporal bone, communicating with the tympanic cavity and the mastoid cells; called also tympanic a. and mastoid cavity … Medical dictionary
Mastoid wall of tympanic cavity — Coronal section of right temporal bone. The medi … Wikipedia
Mastoid cells — Coronal section of right temporal bone. (Mastoid cells labeled at bottom left.) Latin cellulae mastoideae Gray s … Wikipedia
mastoid process — n the process of the temporal bone behind the ear that is well developed and of somewhat conical form in adults but inconspicuous in children * * * a nipple shaped process on the temporal bone that extends downward and forward behind the ear… … Medical dictionary
Mastoid part of the temporal bone — Bone: Mastoid portion of the temporal bone Side view of head, showing surface relations of bones … Wikipedia
Mastoid foramen — Bone: Mastoid foramen Left temporal bone. Inner surface. (Mastoid foramen labeled at bottom left.) … Wikipedia
Mastoid antrum — Bone: Mastoid antrum Coronal section of right temporal bone. ( Tympanic antrum labeled at upper left.) … Wikipedia
mastoid process — a large, bony prominence on the base of the skull behind the ear, containing air spaces that connect with the middle ear cavity. Also called mastoid, mastoid bone. See diag. under skull. [1725 35] * * * ▪ anatomy the smooth pyramidal or… … Universalium
mastoid process — a nipple shaped process on the temporal bone that extends downward and forward behind the ear canal and is the point of attachment of several neck muscles. It contains many air spaces (mastoid cells), which communicate with the cavity of the… … The new mediacal dictionary
cavity — 1. A hollow space; hole. See cave, c., cavitas, cavernous space. 2. Lay term for the loss of tooth structure due to dental caries. SYN: cavum [TA], cavitas. [L. cavus … Medical dictionary
