mastoid process


Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Wikipedia.

mastoid process

[′ma‚stȯid ′prä·səs]
(anatomy)
A nipple-shaped, inferior projection of the mastoid portion of the temporal bone.
References in periodicals archive ?
According to the active-invasion theory, postnatally the antrum is the focal area for expansion of the air cell system into the mastoid process and adjacent areas.
Osteoma compactum, also called osteoma eburneum (the most common type), is hard, ivory-like, spherical, and attached to the cortex of the mastoid process.
9) The most common sites in the head and neck are the tongue, mandible, maxilla, and mastoid process.
I next performed a revision mastoidectomy and found fibrous granulation tissue in the mastoid process (figure 2).
5-cm mass over the posterosuperior border of the right sternocleidomastoid muscle inferior to the mastoid process.