mastoid process


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mastoid process

[′ma‚stȯid ′prä·səs]
(anatomy)
A nipple-shaped, inferior projection of the mastoid portion of the temporal bone.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In the group with severe malnutrition, the indicator more accurately to determine the sex was the aspect of the zygomatic bone, with a 86.6% of individuals correctly classified, for male the best indicators were the size and overall architecture of skull and the size and ridges of the mastoid process, both with a 87% hit.
In the present case, the tumor was arising from the mastoid process and expanded the mastoid facial nerve canal and leading to progressive facial nerve palsy.
(4) Fleming reported a case of osteoma of the mastoid process associated with unilateral hypertrophy of the mandible.
Before they inserted in the mastoid process, the two above-mentioned layers fused along the Lateral region of the neck (Fig.
I next performed a revision mastoidectomy and found fibrous granulation tissue in the mastoid process (figure 2).
Examination revealed a firm 2.5-cm mass over the posterosuperior border of the right sternocleidomastoid muscle inferior to the mastoid process. The mass was nontender and mobile, and no cervical lymphadenopathy was appreciated.
The committee defined tympanoplasty with mastoidectomy as "an operation to eradicate disease in both the mastoid process and middle ear cavity and to reconstruct the middle ear conducting mechanism, with or without tympanic membrane grafting." [1]
Acute mastoiditis is an inflammation of the mastoid process that occurs with acute or subacute otitis media.
The distances between the Henle spine and the asterion and also between the asterion and the mastoid process were measured (Figure 1).
While there are long lists of cranial morphological traits that have been used for sex estimation, five traits remain the most commonly utilized by anthropologists: nuchal crest, mastoid process, supraorbital margin, glabella, and mental eminence.
Diagnosis of cancer in the middle ear and the mastoid process is seldom made early; this can contribute to the unique anatomy of middle ear and the fact that many benign pathologies such as otitis media and its complications share similar clinical presentations; most commonly reported symptoms include otorrhea, otalgia, aural fullness, tinnitus, and hearing loss [5].