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Its fibers pass downward, lateral, and posterior, and are inserted, by a strong tendinous lamina, into the lower and back part of the medial surface of the
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The medial pterygoid muscle consists of two heads. The bulk of the muscle arises as a deep head from just above the medial surface of the
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The medial pterygoid muscle has functions including elevating the mandible (closing the mouth), protruding the mandible,
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to form a common tendinous sling which allows the medial pterygoid and masseter to be powerful elevators of the jaw.
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are close together), and excursing the mandible (contralateral excursion occurs with unilateral contraction).
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Infratemporal fossa. Lingual and inferior alveolar nerve. Deep dissection. Anterolateral view
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Muscles of the pharynx, viewed from behind, together with the associated vessels and nerves.
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Knowledge articles incorporating text from the 20th edition of Gray's
Anatomy (1918)
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Distribution of the maxillary and mandibular nerves, and the submaxillary ganglion.
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which are supplied by the anterior division of the mandibular nerve.
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Mandibular division of trifacial nerve, seen from the middle line.
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and its branches. (Pterygoideus internus labeled at bottom right.)
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578:"Medial pterygoid muscle activity during chewing and clenching"
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musculus pterygoideus medialis, musculus pterygoideus internus
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have been removed. (Internus is visible at center bottom.)
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275:. The smaller, superficial head originates from the
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387:Left palatine bone. Posterior aspect. Enlarged.
310:The medial pterygoid muscle is supplied by the
411:Plan of branches of internal maxillary artery.
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375:Position of medial pterygoid muscle (red).
247:) is a thick, quadrilateral muscle of the
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549:This article incorporates text in the
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126:Pterygoid branches of maxillary artery
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983:Levator labii superioris alaeque nasi
645:Roche Lexicon - illustrated navigator
7:
582:The Journal of Prosthetic Dentistry
399:Mandible. Inner surface. Side view.
164:in moving the jaw from side to side
97:pyramidal process of palatine bone
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279:and the pyramidal process of the
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459:Deep dissection. Anterior view.
641:"Anatomy diagram: 25420.000-1"
1:
1261:Muscles of the head and neck
939:Levator palpebrae superioris
751:Levator palpebrae superioris
594:10.1016/0022-3913(86)90043-0
322:(V). This also supplies the
557:of the 20th edition of
334:, and all other muscles of
328:tensor veli palatini muscle
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1068:Depressor labii inferioris
647:. Elsevier. Archived from
298:. The insertion joins the
223:Anatomical terms of muscle
27:Muscle involved in chewing
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350:(especially for when the
318:, itself a branch of the
245:internal pterygoid muscle
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142:nerve to medial pterygoid
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1010:Levator labii superioris
576:Wood, W W (1986-05-01).
332:lateral pterygoid muscle
259:(V). It is important in
251:. It is supplied by the
521:Medial pterygoid muscle
509:Medial pterygoid muscle
497:Medial pterygoid muscle
485:Medial pterygoid muscle
473:Medial pterygoid muscle
273:lateral pterygoid plate
241:medial pterygoid muscle
89:lateral pterygoid plate
312:medial pterygoid nerve
91:behind the upper teeth
1199:Inferior longitudinal
1194:Superior longitudinal
1063:Depressor anguli oris
934:Corrugator supercilii
324:tensor tympani muscle
114:angle of the mandible
50:ramus of the mandible
48:and a portion of the
44:The pterygoidei; the
18:Pterygoideus internus
978:Depressor septi nasi
927:depressor supercilii
277:maxillary tuberosity
101:maxillary tuberosity
1005:Levator anguli oris
790:sphenomandibularis
314:, a branch of the
296:mandibular foramen
162:lateral pterygoids
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1078:Transversus menti
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922:Orbicularis oculi
905:Occipitofrontalis
879:Temporoparietalis
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362:Additional images
294:, as high as the
290:and angle of the
253:mandibular branch
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156:mandible, closes
94:Superficial head:
16:(Redirected from
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356:mandibular teeth
320:trigeminal nerve
316:mandibular nerve
257:trigeminal nerve
229:edit on Wikidata
138:Mandibular nerve
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33:Medial pterygoid
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588:(5): 615–621.
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1173:Styloglossus
1156:Genioglossus
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649:the original
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306:Nerve supply
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192:A04.1.04.009
179:
93:
84:
1096:Soft palate
1015:Zygomaticus
910:occipitalis
768:Masticatory
699:Extraocular
348:mastication
336:mastication
263:(chewing).
261:mastication
169:Identifiers
1250:Categories
1204:Transverse
1161:Hyoglossus
1050:Buccinator
819:masseteric
785:Temporalis
539:References
85:Deep head:
1187:Intrinsic
1149:Extrinsic
915:frontalis
872:posterior
857:Auricular
797:Pterygoid
629:Mnemonics
602:1097-6841
267:Structure
108:Insertion
1209:Vertical
1073:Mentalis
1045:Risorius
961:Procerus
867:superior
862:anterior
824:temporal
780:Masseter
734:inferior
729:superior
717:superior
712:inferior
555:page 387
354:and the
342:Function
326:and the
292:mandible
160:, helps
154:Elevates
1240:Anatomy
1114:levator
966:Nasalis
802:lateral
744:lateral
707:Oblique
689:of the
687:Muscles
627:Medical
610:3458914
255:of the
149:Actions
112:Medial
74:Details
1226:Portal
1141:Tongue
1109:tensor
893:eyelid
840:Facial
814:Fascia
807:medial
739:medial
724:Rectus
608:
600:
563:(1918)
121:Artery
80:Origin
1025:minor
1020:major
993:Mouth
889:Scalp
635:70
553:from
288:ramus
227:[
216:49011
175:Latin
133:Nerve
953:Nose
691:head
631:.com
606:PMID
598:ISSN
249:face
243:(or
239:The
204:2113
187:TA98
140:via
99:and
64:The
849:Ear
590:doi
211:FMA
199:TA2
158:jaw
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679:e
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231:]
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