Mastoid cell
mastoid cell n.
See mastoid sinus.
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- Mastoidectomy
[mas-toi-dek-tuh-mee] /ˌmæs tɔɪˈdɛk tə mi/ noun, plural mastoidectomies. Surgery. 1. the removal of part of a , usually for draining an infection. /ˌmæstɔɪˈdɛktəmɪ/ noun (pl) -mies 1. surgical removal of the mastoid process mastoidectomy mas·toid·ec·to·my (mās’toi-děk’tə-mē) n. Surgical removal of mastoid sinuses or part or all of the mastoid process.
- 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.
- 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.