mastoid process


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mastoid process

n.
A conical protuberance of the posterior portion of the temporal bone that is situated behind the ear in humans and many other vertebrates and serves as a site of muscle attachment. Also called mastoid bone.

mas′toid proc`ess


n.
a large bony prominence on the base of the skull behind the ear containing air spaces that connect with the middle ear cavity.
[1725–35]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.mastoid process - process of the temporal bone behind the ear at the base of the skullmastoid process - process of the temporal bone behind the ear at the base of the skull
mastoidale - the craniometric point at the lowest point of the mastoid process
os temporale, temporal bone - a thick bone forming the side of the human cranium and encasing the inner ear
appendage, outgrowth, process - a natural prolongation or projection from a part of an organism either animal or plant; "a bony process"
References in periodicals archive ?
Necrosis of the mastoid process that extends to the digastric groove may result from inflammation and infection due to otitis media, leading to various abscesses like Bezold abscess [7].
We propose that this technique strongly helps the approximation of the concha to the mastoid process of the temporal bone.
The posterior auricular artery emerges from the deeper tissues in the groove between the cartilage of the ear and the mastoid process (Fig.
During the operation, purulent secretion and eroded bone should be removed, clearing the involved air cells of the zygomatic root as well as the mastoid process.
Contract notice: The choice of auxiliary experts in the field of diseases of the eye and its surrounding area, skin diseases, diseases of the ear and mastoid process, and an expert in epidemiology / public health / economic (.
The age, sex, height, body mass index (Weight in Kg divided by the square of the height in metres), the circumference of the neck at the thyroid prominence and the distance from the suprasternal notch to the right mastoid process was measured.
The present authors are unaware of any studies that addressed the accuracy of C1 TVP palpation in relation to its contiguous structures, the mastoid process and the transverse process (TVP) of C2.
The cause of ZACD is unknown but may be similar to that of pneumatization of the mastoid process.
The posterior branch supplies the skin over the mastoid process and lower external ear, while the anterior branch supplies the skin overlying the parotid gland and lower preauricular region.
As they ascend, the CH spirals behind the SH and blends with its deep surface below the middle of the neck, forming a thick rounded belly to gain attachment to the lateral surface of the mastoid process through a strong tendon, and to the lateral half of superior nuchal line through an aponeurosis.
Infection can occur, which can transmit to the mastoid process (the bone of the skull around the ear).
The injections were made under the occipital bone at the medial third between the inion and mastoid process, ipsilateral to the attack.