Mandibular notch

Mandibular notch
Position of mandibular notch in skull, shown in red.
Position of mandibular notch in mandible, shown in red.
Details
Identifiers
Latin	incisura mandibulae
TA	A02.1.15.034
FMA	59481
*Anatomical terms of bone* [edit on Wikidata]

The upper border of the ramus of mandible is thin, and is surmounted by two processes, the coronoid process anteriorly and the condyloid process posteriorly, separated by a deep concavity, the mandibular notch, or sigmoid notch. It allows the passage of the masseteric nerve (a branch of the mandibular nerve (V3) division of the trigeminal nerve), masseteric artery and masseteric vein.

Additional images

Position of mandibular notch in skull, shown in red.

Position of mandibular notch in mandible, shown in red.

Outer surface of mandible. Mandibular notch is labelled at top right.

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

Wikimedia Commons has media related to Mandibular notch.

Anatomy image: skel/mandible2 at Human Anatomy Lecture (Biology 129), Pennsylvania State University
Diagram at unc.edu

Surfaces	Anterior: fossae (Incisive fossa, Canine fossa) Infraorbital foramen Anterior nasal spine Infratemporal: Alveolar canals Maxillary tuberosity Orbital: Infraorbital groove Infraorbital canal Nasal: Greater palatine canal

Processes	Zygomatic process Frontal process (Agger nasi, Anterior lacrimal crest) Alveolar process Palatine process (Incisive foramen, Incisive canals, Foramina of Scarpa, Incisive bone, Anterior nasal spine)

Other	Body of maxilla Maxillary sinus

Fossae	Pterygopalatine fossa Pterygoid fossa

Plates	Horizontal plate (Posterior nasal spine) Perpendicular plate (Greater palatine canal, Sphenopalatine foramen)

Processes	Pyramidal Orbital Sphenoidal

Body	external surface (Mandibular symphysis, Lingual foramen, Mental protuberance, Mental foramen, Mandibular incisive canal) internal surface (Mental spine, Mylohyoid line, Sublingual fovea, Submandibular fovea) Alveolar part of mandible

Ramus	Mylohyoid groove (Mandibular canal, Lingula) Mandibular foramen Angle Coronoid process Mandibular notch Condyloid process Pterygoid fovea

Nose

Other

This article is issued from Wikipedia - version of the 6/9/2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.