mandible

DEFINITION of mandible

The mandible consists of a horizontal body (curved anteriorly with alveolar process housing 16 lower teeth sockets), two vertical rami (ascending posteriorly), and two processes on each ramus: the coronoid (anterior, for temporalis muscle attachment) and condyloid (posterior, forming the TMJ condyle). Key landmarks include the mandibular symphysis (midline chin fusion site), mental protuberance (chin prominence), mental foramen (mental nerve exit), mandibular foramen (inferior alveolar nerve entry), mylohyoid line (muscle attachment), digastric fossa (anterior belly attachment), and angle of the mandible (body-ramus junction). It receives innervation from the inferior alveolar nerve (branch of mandibular nerve V3) and blood from inferior alveolar artery; muscles of mastication (masseterr, temporalis, medial/lateral pterygoids) attach to it, enabling chewing, speech, and jaw movement. Ossification begins around week 6 of fetal life from a single center near the mental foramen, with Meckel’s cartilage contribution; postnatal fusion at symphysis occurs by age 1-2 years.

Component roots

-mandibul(o)-: of or relating to the mandible or lower jaw.

-Terms built on the same roots

• Mandibular - pertaining to the lower jaw.ncbi.nlm.nih​
• Mandibulectomy - surgical resection of the mandible (partial, marginal, or segmental).-ectomy ​wikipedia​
• Mandibular symphysis - midline fusion line of the two mandibular halves.wikipedia​-ectomy​
• mandibular canal/foramen - pathway for inferior alveolar neurovascular bundle.-ectomy ​wikipedia​
• Mandibular notch - depression between coronoid and condyloid processes.

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ETYMOLOGY of mandible

latin “mandible” derives from Late Latin mandibula “jaw,” from Latin mandere “to chew,” possibly from Proto-Indo-European mendh- “to chew” (also source of Greek mastax “mouth, morsel”).

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DERIVATIONS of mandible

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Query functionality

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Med roots Appendix A Prefixes Appendix B Combining Forms Appendix C Suffixes Appendix D Suffix forms