mastoidotomy mas·toid·ot·o·my (mās’toi-dŏt’ə-mē)
Incision into the subperiosteum or the mastoid process of the temporal bone.
- Mastoid part
mastoid part n. The portion of the petrous part of the temporal bone bearing the mastoid process. mastoid part n. The portion of the petrous part of the temporal bone bearing the mastoid process.
noun 1. a large, bony prominence on the base of the skull behind the ear, containing air spaces that connect with the middle ear cavity. mastoid process n. mastoid process (mās’toid’) A protruding bony area in the lower part of the skull that is located behind the ear in humans and many other vertebrates and […]
[mas-toid] /ˈmæs tɔɪd/ adjective, Anatomy. 1. of or relating to the . 2. resembling a breast or nipple. noun 3. the . /ˈmæstɔɪd/ adjective 1. shaped like a nipple or breast 2. designating or relating to a nipple-like process of the temporal bone behind the ear noun 3. the mastoid process 4. (informal) mastoiditis adj. […]
- Mastoid sinus
mastoid sinus n. Any of numerous air-filled spaces of various sizes in the mastoid process. Also called mastoid cell.