Definition of Mastoid bone

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

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

Definition of Mastoid bone

1. Noun. The mastoid process. ¹

¹ Source:

Medical Definition of Mastoid bone

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

Mastoid Bone Pictures

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Lexicographical Neighbors of Mastoid Bone

mastoid abscess
mastoid air cells
mastoid angle of parietal bone
mastoid antrum
mastoid artery
mastoid bone (current term)
mastoid bones
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

Literary usage of Mastoid bone

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.) (1882)
"A Eustachian tube docs not exist, since the ear ossicles are not entirely closed within the petro-mastoid bone, the malleus lying entirely within the cavity ..."

2. A Practical Treatise on the Diseases of the Ear by Daniel Bennett St. John Roosa (1891)
"External Sur- membranes are stretched horizontally, like face of Left Mastoid Bone curtains, by means of processes which arise ..."

3. A System of Practical Medicine by William Pepper, Louis Starr (1886)
"Periostitis of the mastoid bone is caused either by external injuries, or more frequently by inflammation extending from the mastoid cells outwardly to the ..."

4. A Practical Treatise on the Diseases of the Ear: Including a Sketch of Aural by Daniel Bennett St. John Roosa (1885)
"... like face of Left mastoid bone curtains, by means of processes which arise SS^fT^-S At birth the mastoid process is but the emissary vein; 3, ..."

5. A Biennial Retrospect of Medicine, Surgery, and Their Allied Sciences, for by New Sydenham Society (1873)
"King, "Malformation of the Heart associated with Caries of the Right Mastoid Bone, and Abscess in the Right Cerebral Hemisphere " (boy, œt. ..."

6. The Medical Times and Gazette (1879)
"DISEASE OP THE mastoid bone. ME. WB DALBY chose three cases to ... In this as in all other recorded cases of malignant disease of the mastoid bone, ..."

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