mastoid


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Related to mastoid: mastoidectomy, Mastoid air cells, mastoid surgery

mastoid

1. shaped like a nipple or breast
2. designating or relating to a nipple-like process of the temporal bone behind the ear
3. the mastoid process
4. Informal mastoiditis

mastoid

[′ma‚stȯid]
(anatomy)
Breast-shaped.
The portion of the temporal bone where the mastoid process is located.
References in periodicals archive ?
Magnetic resonance imaging of the brain demonstrated focal lesions in both sides of the mastoid cavity; there was no involvement of the brain parenchyma.
The AC and BC stimuli were presented to the ear and mastoid using earphones (AT-02, Rion Co, Ltd) and a bone vibrator (BR-41, Rion Co, Ltd), respectively.
4] who reviewed seven cases of CC patients presenting with mastoid sub-periosteal abscess.
The abscess occurs over the mastoid cortex when the infectious process within the mastoid air cells extends into the subperiosteal space.
1) that had engulfed the epitympanum with extrusion through the aditus ad antrum into the mastoid air cells.
Although CBE methods inarguably have their place in surgical training, real hands-on removal of mastoid tissue maintains its role, and real human tissue used in a cadaver laboratory has yet to be replaced by other materials.
Computed tomography scan of the temporal bones showed significant diffuse soft tissue swelling along the right aspect of the face and temporal bone with opacification of the middle ear and mastoid air cells on the right.
But this is rare as pus in the middle ear can drain out easily through a hole in the eardrum or into the mastoid part of the temporal bone.
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But the 67-year-old man had no previous hospitalizations in his record and had taken no antibiotics before being prescribed two common drugs to treat his ear infection, which had also spread to his mastoid sinus.
On examination, he had mucopurulent discharge, antral perforation, and mastoid tenderness.
First, the scalp is cut open to expose a silver-dollar-sized portion of the mastoid bone, located just behind the ear canal.