Medical Definition of External pterygoid muscle

1. Origin, inferior head from lateral lamina of pterygoid process; superior head from infratemporal crest and adjacent greater wing of the sphenoid; insertion, into pterygoid pit of mandible and articular disk; action, brings jaw forward, opens jaw; nerve supply, nerve to lateral pterygoid from mandibular division of trigeminal. Synonym: musculus pterygoideus lateralis, external pterygoid muscle, musculus pterygoideus externus. (05 Mar 2000)



External Pterygoid Muscle Pictures

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Lexicographical Neighbors of External Pterygoid Muscle

external oblique reflex
external oblique ridge
external obturator muscle
external occipital crest
external occipital protuberance
external ophthalmopathy
external ophthalmoplegia
external organ
external orifice
external ovular transmigration
external pacemaker
external phase
external pin fixation
external pterygoid muscle (current term)
external pyocephalus
external radiation
external radiation therapy
external respiration
external respiratory nerve of Bell
external risk
external risks
external salivary gland
external saphenous nerve
external secretion
external semilunar fibrocartilage

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