Mastoid emissary vein
mastoid emissary vein n.
A vein that connects the sigmoid sinus with the occipital vein or with one of the tributaries of the outer jugular vein by way of the mastoid foramen.
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- Mastoideocentesis
mastoideocentesis mas·toi·de·o·cen·te·sis (mās-toi’dē-ō-sěn-tē’sĭs) n. Surgical puncture of the mastoid sinuses and the mastoid antrum.
- Mastoid foramen
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.
- Mastoiditis
[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
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.