mastoid


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.

mas·toid

 (măs′toid′)
n.
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.]

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
n
3. (Anatomy) the mastoid process
4. (Pathology) informal mastoiditis

mas•toid

(ˈmæs tɔɪd)

adj.
1. of or pertaining to the mastoid process.
2. resembling a breast or nipple.
n.
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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.mastoid - process of the temporal bone behind the ear at the base of the skullmastoid - 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"
Adj.1.mastoid - of or relating to or in the region of the mastoid process
2.mastoid - relating to or resembling a nipplemastoid - relating to or resembling a nipple  
Translations

mastoid

[ˈmæstɔɪd]
A. ADJmastoides inv
B. Nmastoides f inv

mastoid

adjwarzenförmig, mastoid (spec)
nWarzenfortsatz m, → Mastoid nt (spec)

mastoid

[ˈmæstɔɪd] n
a. (also mastoide bone) → mastoide f
b. (Med) (fam) (inflammation) = mastoiditis

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.

mastoid

adj mastoideo
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 technique was selected depending on the tegmen height, degree of mastoid cell development, and presence or absence of tegmen destruction.
* 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.
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.
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.
Granulation tissue in the mastoid air cells and the middle ear were encountered and removed.
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.
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.
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.
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.
Request for quotations: Provision Of Sanatorium Treatment Of Children With Disabilities Have The Right To Receive State Social Assistance In The Form Of Social Services And Their Chaperones In The Sanatorium Institutions Located In The Territory Of Krasnodar Region With Diseases Of The Musculoskeletal System And Connective Tissue, Nervous System, Respiratory System, Endocrine System, Ear And Mastoid Process, The Upper Respiratory Tract.