Definition of Mastoid process

1. Noun. Process of the temporal bone behind the ear at the base of the skull.

Exact synonyms: Mastoid, Mastoid Bone, Mastoidal
Terms within: Mastoidale
Group relationships: Os Temporale, Temporal Bone
Generic synonyms: Appendage, Outgrowth, Process
Derivative terms: Mastoid

Definition of Mastoid process

1. Noun. 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. ¹

¹ Source:

Medical Definition of Mastoid process

1. The nipple-like projection of the petrous part of the temporal bone. Synonym: processus mastoideus, mastoid bone, temporal apophysis. (05 Mar 2000)

Mastoid Process Pictures

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Lexicographical Neighbors of Mastoid Process

mastoid border of occipital bone
mastoid branch of occipital artery
mastoid branches of posterior auricular artery
mastoid canaliculus
mastoid cells
mastoid emissary vein
mastoid empyema
mastoid fontanel
mastoid foramen
mastoid fossa
mastoid groove
mastoid lymph nodes
mastoid margin of occipital bone
mastoid notch
mastoid part of the temporal bone
mastoid process (current term)
mastoid processes
mastoid sinuses
mastoid wall of middle ear

Literary usage of Mastoid process

Below you will find example usage of this term as found in modern and/or classical literature:

1. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1894)
"New growths in the lymphatic glands over the mastoid, fibrous polypi, and simple polypoid granulations, which may arise in the mastoid process and project ..."

2. Anatomy: Descriptive and Surgical by Henry Gray, Thomas Pickering Pick (1897)
"On the inner side of the mastoid process is a deep groove, the digastric fossa, ... A section of the mastoid process shows it to be hollowed out into a ..."

3. The Laryngoscope by American Laryngological, Rhinological, and Otological Society (1902)
"The Use of the Ice Coil in the Abortive Treatment of Acute Inflammation of the mastoid process.—EB BENCH, (New York).—NY Bye and Ear Infirmary Reports, ..."

4. Buying Options: Wall Street on a Shoestring by Antony Rodolakis, Nicholas Tetrick (1860)
"Like the mastoid process, the mastoid cells vary much in size in different individuals. In some persons they occupy the whole of the interior of the bone ..."

5. The Journal of Anatomy and Physiology by Anatomical Society of Great Britain and Ireland (1896)
"... the relation between it and the mastoid process. Thus it will be seen there exists considerable confusion as to the names applied to processes between ..."

6. The Practitioner by Gale Group, ProQuest Information and Learning Company (1904)
"The posterior border of the mastoid process and the asterion are thus laid bare. An opening in the skull is made, reaching upwards i cm. above the asterion, ..."

7. A Practical Treatise on the Diseases of the Ear by Daniel Bennett St. John Roosa (1891)
"As we have seen, in considering the diseases of the middle ear, and in discussing its anatomy, the mastoid process is necessarily involved in any severe ..."

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