- mastoid process
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The conical, nipple-like projection of the petrous part of the temporal bone, that is situated behind the ear in humans and many other vertebrates, and serves as a site of muscle attachment.
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mastoid process
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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 process — Bone: Mastoid process Side view of head, showing surface relations of bones. (Mastoid process labeled near center.) … 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 — noun process of the temporal bone behind the ear at the base of the skull • Syn: ↑mastoid, ↑mastoid bone, ↑mastoidal • Derivationally related forms: ↑mastoid (for: ↑mastoid) • … Useful english dictionary
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
mastoid process — noun a conical prominence of the temporal bone behind the ear, to which neck muscles are attached, and which has air spaces linked to the middle ear … English new terms dictionary
mastoid process — mas′toid proc ess n. anat. a large bony prominence on the base of the skull behind the ear containing air spaces that connect with the middle ear cavity. • Etymology: 1725–35 … From formal English to slang
Mastoid cells — Coronal section of right temporal bone. (Mastoid cells labeled at bottom left.) Latin cellulae mastoideae Gray s … Wikipedia
Mastoid notch — Left temporal bone. Inferior surface. (Mastoid notch visible at bottom center.) Latin incisura mastoidea ossis temporalis Gray s … Wikipedia
Mastoid — Mas toid, a. [Gr. ?; masto s the breast + e i^dos form: cf. F. masto[ i]de.] (Anat.) (a) Resembling the nipple or the breast; applied specifically to a process of the temporal bone behind the ear. (b) Pertaining to, or in the region of, the… … The Collaborative International Dictionary of English
