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452:. A diverticulum can form where a balloon of mucosa becomes trapped outside the pharyngeal boundaries. Food or other materials may reside here, which may lead to infection. Motor incoordination of the cricopharyngeal part can cause difficulty
1077:"Dose to the inferior pharyngeal constrictor predicts prolonged gastrostomy tube dependence with concurrent intensity-modulated radiation therapy and chemotherapy for locally-advanced head and neck cancer"
385:, elevator muscles relax, and the pharynx descends. The inferior pharyngeal constrictor muscle, along with the other constrictors, contract upon the bolus, and convey it downward into the
306:. The thyropharyngeal part mainly uses type 2 fibres (anaerobic), while the cricopharyngeal part mainly uses type 1 fibres (aerobic). Fibre type may change after birth.
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341:, or a combination of these (the recurrent laryngeal nerve being the most common innervation of the cricopharyngeal part). All these branches and nerves come from the
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Vlacich, Gregory; Spratt, Daniel E.; Diaz, Roberto; Phillips, John G.; Crass, Jostin; Li, Chung-I; Shyr, Yu; Cmelak, Anthony J. (1 March 2014).
448:. Zenker's diverticulum develops between the two muscular bellies (the thyropharyngeal part and the cricopharyngeal part) in a small gap called
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786:"Innervation of the human cricopharyngeal muscle by the recurrent laryngeal nerve and external branch of the superior laryngeal nerve"
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444:, or impaired relaxation of the inferior pharyngeal constrictor muscle are currently considered the main factors in development of a
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Muscles of the pharynx, viewed from behind, together with the associated vessels and nerves. (Inf. const. labeled at bottom center.)
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The inferior pharyngeal constrictor muscle may be damaged by chemotherapy-intensity modulated radiotherapy. This may lead to
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From these origins, the fibers spread backward and medially to insert with the muscle of the opposite side into the fibrous
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The inferior pharyngeal constrictor muscle is composed of two parts. The first part (and more superior) arises from the
321:(UES), which controls the opening of the cervical esophagus. It is sometimes referred to as the cricopharyngeal inlet.
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1025:"Inability to Belch and Associated Symptoms Due to Retrograde Cricopharyngeus Dysfunction: Diagnosis and Treatment"
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The inferior pharyngeal constrictor muscle can merge with superior pharyngeal constrictor, or posterior part of
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727:"Neuromuscular compartments and fiber-type regionalization in the human inferior pharyngeal constrictor muscle"
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608:"Histochemical Study of the Canine Inferior Pharyngeal Constrictor Muscle: Implications for its Function"
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463:(R-CPD) which causes the inability to burp; this is in part due to the muscle not being able to relax.
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919:"Respiratory functions of the inferior pharyngeal constrictor and sternohyoid muscles during sleep"
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655:"Postnatal Changes in the Types of Muscle Fibre in the Canine Inferior Pharyngeal Constrictor"
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The inferior pharyngeal constrictor muscle has a broad role in moving the lower part of the
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Knowledge (XXG) articles incorporating text from the 20th edition of Gray's
Anatomy (1918)
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Muscles of the pharynx and cheek. (Constrictor pharyngis inferior visible at bottom left.)
976:"Partial Cricopharyngeal Myotomy for Treatment of Retrograde Cricopharyngeal Dysfunction"
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in front, and the articular facet for the inferior horn of the thyroid cartilage behind.
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The inferior fibers are horizontal and continuous with the circular fibers of the
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The inferior pharyngeal constrictor muscle can be supplied by branches from the
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Hyodo, Masamitsu; Aibara, Ryuichi; Kawakita, Seiji; Yumoto, Eiji (1998-01-01).
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Masamitsu Hyodo, Eiji Yumoto, Seiji
Kawakita, Takahiko Yamagata (1999-01-01).
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Sherrey, John H.; Pollard, Marcus J.; Megirian, David (1 April 1986).
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The inferior pharyngeal constrictor muscle is partially used during
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at The
Anatomy Lesson by Wesley Norman (Georgetown University) (
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Deep dissection of larynx, pharynx and tongue seen from behind
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or a cricopharyngeal myotomy are used to treat the condition.
313:; the rest ascend, increasing in obliquity, and overlap the
862:"Function of the Inferior Pharyngeal Constrictor Muscle"
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at Loyola
University Chicago Stritch School of Medicine
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Side view of the larynx, showing muscular attachments.
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317:. The cricopharyngeal part is synonymous with the
860:Yamaoka, Minoru; Furusawa, Kiyofumi (May 1997).
594:Origin, insertion and nerve supply of the muscle
974:Bastian, Robert W.; Hoesli, Rebecca C. (2020).
833:, Treasure Island (FL): StatPearls Publishing,
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8:
827:"Anatomy, Head and Neck, Pharyngeal Muscles"
699:: CS1 maint: multiple names: authors list (
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459:In extreme cases, this can be related to
1023:Bastian, R. W.; Smithson, M. L. (2019).
784:Uludag, Mehmet; Aygun, Nurcihan (2016).
290:, it arises in the interval between the
207:. It is the thickest of the three outer
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528:Inferior pharyngeal constrictor muscle
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255:), and the second part arises from the
136:musculus constrictor pharyngis inferior
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568:This article incorporates text in the
461:retrograde cricopharyngeal dysfunction
281:inferior horn of the thyroid cartilage
197:inferior pharyngeal constrictor muscle
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33:Inferior pharyngeal constrictor muscle
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315:middle pharyngeal constrictor muscle
302:in the posterior median line of the
725:Mu, Liancai; Sanders, Ira (2001).
504:Muscles of the neck. Lateral view.
440:Uncoordinated muscle contraction,
211:. It arises from the sides of the
25:
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101:Pharyngeal plexus of vagus nerve
1235:Rectus capitis lateralis muscle
18:Inferior pharyngeal constrictor
1230:Rectus capitis anterior muscle
825:Bui, Toai; M Das, Joe (2022),
27:Skeletal muscle of the pharynx
1:
479:, causing continued use of a
337:, the external branch of the
1602:Muscles of the head and neck
1093:10.1016/j.radonc.2013.12.007
937:10.1016/0014-4886(86)90140-8
429:
223:(CN X). It is active during
576:of the 20th edition of
381:of food is received in the
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552:Upper esophageal sphincter
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417:open, particularly during
393:, they contract and cause
319:upper esophageal sphincter
179:Anatomical terms of muscle
1081:Radiotherapy and Oncology
804:10.1007/s00423-016-1376-5
671:10.1080/00016489950180522
624:10.1080/00016489850155017
335:recurrent laryngeal nerve
177:
105:recurrent laryngeal nerve
49:
37:
1253:Rectus capitis posterior
1041:10.1177/2473974X19834553
992:10.1177/2473974X20917644
483:rather than independent
339:superior laryngeal nerve
235:. It may be affected by
219:. It is supplied by the
109:superior laryngeal nerve
1035:(1): 2473974X19834553.
413:. It helps to keep the
227:, and partially during
1549:Pharyngobasilar fascia
1544:Buccopharyngeal fascia
1366:Pharyngeal constrictor
986:(2): 2473974X2091764.
924:Experimental Neurology
659:Acta Oto-Laryngologica
612:Acta Oto-Laryngologica
355:pharyngobasilar fascia
791:Langenbecks Arch Surg
732:The Anatomical Record
446:Zenker's diverticulum
442:cricopharyngeal spasm
436:Zenker's diverticulum
430:Zenker's diverticulum
425:Clinical significance
271:, it arises from the
237:Zenker's diverticulum
1539:Palatine aponeurosis
1507:Deep cervical fascia
1452:transverse arytenoid
450:Killian's dehiscence
261:cricopharyngeal part
253:thyropharyngeal part
1517:Prevertebral fascia
1193:Sternocleidomastoid
1130:latpharyngealitems3
471:Radiological damage
292:cricothyroid muscle
275:on the side of the
1512:Pretracheal fascia
1393:Salpingopharyngeus
879:10.1007/BF03500907
209:pharyngeal muscles
1562:
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1438:oblique arytenoid
491:Additional images
331:pharyngeal plexus
288:cricoid cartilage
269:thyroid cartilage
257:cricoid cartilage
249:thyroid cartilage
217:thyroid cartilage
213:cricoid cartilage
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73:Cricoid cartilage
16:(Redirected from
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1270:Obliquus capitis
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1203:Longus colli
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148:A05.3.01.111
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1534:Alar fascia
1338:Sternohyoid
798:: 683–690.
395:peristalsis
343:vagus nerve
221:vagus nerve
125:Identifiers
1591:Categories
1489:Trachealis
1333:Thyrohyoid
1325:Infrahyoid
1315:Geniohyoid
1305:Stylohyoid
1292:Suprahyoid
872:(3): 171.
844:2022-07-22
831:StatPearls
558:References
485:swallowing
454:swallowing
391:swallowing
373:Swallowing
225:swallowing
120:Swallowing
1433:Arytenoid
1421:posterior
1310:Digastric
1300:Mylohyoid
1223:posterior
1101:0167-8140
945:0014-4886
888:0179-051X
866:Dysphagia
755:1097-0185
679:0001-6489
632:0001-6489
574:page 1142
477:dysphagia
407:breathing
401:Breathing
389:. During
387:esophagus
349:Variation
311:esophagus
286:From the
243:Structure
229:breathing
84:Insertion
1381:inferior
1371:superior
1348:Omohyoid
1280:superior
1275:inferior
1213:anterior
1188:Platysma
1180:Cervical
1109:24440043
1059:31236539
1029:Oto Open
1010:32328538
980:Oto Open
904:44633854
839:31869118
812:26843022
771:22153114
763:11745092
687:10687945
546:See also
361:Function
345:(CN X).
215:and the
1607:Pharynx
1581:Anatomy
1499:Fasciae
1481:Trachea
1426:lateral
1358:Pharynx
1208:Scalene
1170:of the
1168:Muscles
1125:lesson8
1050:6572913
1001:7163242
961:7751627
953:3956654
896:9190104
640:9583798
415:pharynx
383:pharynx
367:pharynx
304:pharynx
267:On the
203:of the
116:Actions
62:Details
1567:Portal
1403:Larynx
1376:middle
1218:middle
1107:
1099:
1057:
1047:
1008:
998:
959:
951:
943:
902:
894:
886:
837:
810:
769:
761:
753:
685:
677:
638:
630:
582:(1918)
411:speech
333:, the
277:lamina
233:speech
68:Origin
1464:vocal
1263:minor
1258:major
957:S2CID
900:S2CID
767:S2CID
572:from
465:Botox
419:sleep
379:bolus
199:is a
183:[
172:46623
131:Latin
96:Nerve
1172:neck
1105:PMID
1097:ISSN
1055:PMID
1006:PMID
949:PMID
941:ISSN
892:PMID
884:ISSN
835:PMID
808:PMID
759:PMID
751:ISSN
701:link
683:PMID
675:ISSN
636:PMID
628:ISSN
409:and
231:and
205:neck
195:The
160:2187
143:TA98
107:and
75:and
1089:doi
1085:110
1045:PMC
1037:doi
996:PMC
988:doi
933:doi
874:doi
800:doi
796:402
741:doi
737:264
667:doi
663:119
620:doi
616:118
263:).
167:FMA
155:TA2
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