mastoid foramen n.
An opening at the rear of the mastoid process, transmitting a small artery to the dura mater and an emissary vein to the sigmoid sinus.
[mas-toi-dahy-tis] /ˌmæs tɔɪˈdaɪ tɪs/ noun, Pathology. 1. inflammation of the . /ˌmæstɔɪˈdaɪtɪs/ noun 1. inflammation of the mastoid process mastoiditis mas·toid·i·tis (mās’toi-dī’tĭs) n. Inflammation of the mastoid process and mastoid sinuses. mastoiditis (mās’toid-ī’tĭs) Inflammation of the mastoid process, usually resulting from an acute infection of the middle ear.
mastoidotomy mas·toid·ot·o·my (mās’toi-dŏt’ə-mē) n. 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 […]