Temporal bone

Temporal bone
A large irregular bone situated at the base and side of the skull. The temporal bone consists of three parts (squamous, tympanic and petrous) which are distinct at birth but then fuse. The petrous part of the temporal bone contains the vestibulocochlear organ of the inner ear. The temporal bone articulates (joins) with the sphenoid, parietal, occipital, and zygomatic (cheek) bones. It is connected via the temporomandibular (TM) joint with the mandible (the jaw bone).

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temporal bone n a compound bone of the side of the skull that has four principal parts including the squamous, petrous, and tympanic portions and the mastoid process

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either of a pair of bones of the cranium. The squamous portion forms part of the side of the cranium. The petrous part contributes to the base of the skull and contains the middle and inner ears. Below it are the mastoid process, styloid process, and zygomatic process (see zygomatic arch). See also skull.

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os temporale.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Temporal bone — Bone: Temporal bone Cranial bones …   Wikipedia

  • Temporal bone — Temporal Tem po*ral, a. [L. temporalis, fr. tempora the temples: cf. F. temporal. See {Temple} a part of the head.] (Anat.) Of or pertaining to the temple or temples; as, the temporal bone; a temporal artery. [1913 Webster] {Temporal bone}, a… …   The Collaborative International Dictionary of English

  • temporal bone — n. either of a pair of compound bones forming the sides of the skull: see SKULL …   English World dictionary

  • temporal bone — noun a thick bone forming the side of the human cranium and encasing the inner ear • Syn: ↑os temporale • Hypernyms: ↑bone, ↑os • Part Holonyms: ↑cranium, ↑braincase, ↑brainpan …   Useful english dictionary

  • temporal bone — noun Date: 1771 a compound bone of the side of the skull of some mammals including humans …   New Collegiate Dictionary

  • temporal bone — tem′poral bone n. anat. zool. either of a pair of compound bones forming the sides of the primate skull • Etymology: 1765–75 …   From formal English to slang

  • Mastoid part of the temporal bone — Bone: Mastoid portion of the temporal bone Side view of head, showing surface relations of bones …   Wikipedia

  • temporal bone — Anat., Zool. either of a pair of thick compound bones forming the part of the skull that encases the inner ear. See diag. under skull. [1765 75] * * * …   Universalium

  • temporal bone — noun Either of two compound bones that collectively make up the sides and base of the skull …   Wiktionary

  • temporal bone — n. (Anatomy) either of the pair of bones that form part of the side of the skull …   English contemporary dictionary

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