mas·toid

(măs′toid′)

The mastoid process.

adj.

1. Of or relating to the mastoid process.

2. Shaped like a breast or nipple.

[New Latin mastoīdēs, nipple-like, mastoid (from its shape), from Greek mastoeidēs : mastos, breast + -oeidēs, -oid.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

mastoid

(ˈmæstɔɪd)

adj

1. (Anatomy) shaped like a nipple or breast

2. (Anatomy) Also: mastoidal designating or relating to a nipple-like process of the temporal bone behind the ear

3. (Anatomy) the mastoid process

4. (Pathology) informal mastoiditis

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

mas•toid

(ˈmæs tɔɪd)

adj.

1. of or pertaining to the mastoid process.

2. resembling a breast or nipple.

3. the mastoid process.

[1725–35; < Greek mastoeidḗs=mast(ós) breast + -oeidēs -oid]

mas·toid

(măs′toid′)

A protruding area of bone in the lower part of the skull that is located behind the ear in humans and many other vertebrates.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun	1.	mastoid - process of the temporal bone behind the ear at the base of the skull mastoid bone, mastoid process, mastoidal 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"
Adj.	1.	mastoid - of or relating to or in the region of the mastoid process
	2.	mastoid - relating to or resembling a nipple mastoidal

Translations

mastoide

mastoid

[ˈmæstɔɪd]

A. ADJ → mastoides inv

B. N → mastoides f inv

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

mastoid

adj → warzenförmig, mastoid (spec)

n → Warzenfortsatz m, → Mastoid nt (spec)

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

mastoid

[ˈmæstɔɪd] n

a. (also mastoide bone) → mastoide f

b. (Med) (fam) (inflammation) = mastoiditis

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

mas·toid

n. mastoides, apófisis del hueso temporal;

1. a. mastoideo-a, rel. a la mastoides o que ocurre en la región del proceso mastoideo;

2. semejante a una mama.

English-Spanish Medical Dictionary © Farlex 2012

mastoid

adj mastoideo

Mentioned in

References in periodicals archive

The site and the size of the perforation, whether or not it contacts the manubrium mallei, as well as the volume of the middle ear and of the mastoid are some of the factors that affect the level of the hearing loss (2).

The Effect of Tympanic Membrane Perforation Site, Size and Middle Ear Volume on Hearing Loss

The technique was selected depending on the tegmen height, degree of mastoid cell development, and presence or absence of tegmen destruction.

Short-Term Hearing Prognosis of Ossiculoplasty in Pars Flaccida Cholesteatoma Using the EAONO/JOS Staging System

* Subsites: (a) Mesotympanum, (b) Protympanum, (c) Hypotympanum, (d) Retrotympanum, (e) Antrum and (f) Mastoid. * I Extensiono C1: cholesteatoma with limited attic extension,--C1a: cholesteatoma involving only the lateral attic,--C1b: cholesteatoma involving also the medial attic.

EXCLUSIVE ENDOSCOPIC CHOLESTEATOMA SURGERY

Computed tomography of the temporal bone revealed a right-sided, 2 x 2-cm soft-tissue mass in the EAC, with erosion of mastoid air cells but a normal eardrum and middle ear cavity.

Iatrogenic external auditory canal cholesteatoma with mastoid erosion

Corruccini (1974) found a significant age effect on the presence of genial tubercles, trochlear spurs, inion salience, mastoid foramen, pterygoid foramen, and postcon-dylar canal, while Berry (1975) and Perizonius (1979) each concluded that discrete cranial traits were not affected by age.

Effect of Age on Nonmetric Cranial Traits for Sex Estimation in Adults

Granulation tissue in the mastoid air cells and the middle ear were encountered and removed.

Non-Hodgkin's Lymphoma of the Middle Ear Presenting as Mastoiditis

The main goals of open cavity mastoidectomy are to completely eradicate the disease, create a large enough meatus for examination and mastoid air cells, and provide a self-cleaning epithelized dry cavity, and achieve maximum hearing.

Meatal obstruction following canal wall down mastoidectomy

Bu nedenle mastoid kavitede gereksiz ve kor uclar kullanilarak yapilan turlamadan kacinilmalidir.

Mastoidektomi Uygulanan Hastalarda Tur Calismasinin Olusturdugu Titresimin Fasiyal Sinir Motor Fonksiyonlarina Etkisi/Vibration Effect of Drill on Facial Nerve Motor Functions During Mastoidectomy

Conchal mastoid distances were calculated from the superior and middle third of the ears before and after the operation, also in follow-up controls to determine the efficiency of the method.

Fascioperichondrial Flap with a Proximal Base Combined with Prominent Ear Surgery/Belirgin Kulak Deformitesi Onariminda Proksimal Bazli Fasyoperikondriyal Flep Kullanimi

CT scan was rechecked and showed soft tissue in the right mastoid and tympanic cavity, with an irregular osteolytic area involving tympanic cavity, zygomatic root, and zygomatico temporal junction [Figure 1]b.

Abscess of Zygomatic Root: A Rare Otogenic Complication

Cholesteatoma (keratoma) represents the presence of a non-neoplastic accumulation of keratinizing stratified squamous epithelium along with desquamated keratin debris in the tympanic cavity and/or mastoid. Once the squamous epithelium reaches these areas from its origin in the external auditory canal or tympanic membrane, a locally invasive and destructive process typically ensues.

Does Eustachian tube patency affect the outcome of graft uptake rate and average audiological gain in Intact canal wall and canal wall down mastoidectomies--a study of 50 patients