353:, traumatic brain injury with intracranial bleeding, tumors, and lesions along the nerve at any point between the pons and lateral rectus muscle in orbit. This defect can result in horizontal double vision and reduced lateral movement. The lateral rectus muscle will be denervated and paralyzed and the patient will be unable to abduct the eye. For example, if the left abducens nerve is damaged, the left eye will not abduct fully. While attempting to look straight ahead, the left eye will be deviated medially towards the nose due to the unopposed action of the medial rectus of the eye. Proper function of the lateral rectus is tested clinically by asking the patient to look laterally. Depending on the underlying cause of the lateral rectus palsy, some improvement may occur naturally over time. While the prognosis for a lateral rectus palsy onset by a viral illness is generally positive, the prognosis for an onset of trauma or tumor is quite poor. Ultimately, nerves are not very good at regenerating or healing themselves, so if the damage is severe there will be permanent damage.
396:
372:
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349:, also known as abducens nerve palsy, is a neurological defect that results from a damaged or impaired abducens nerve. This damage can stem from stroke, trauma, tumor, inflammation, and infection. Damage to the abducens nerve by trauma can be caused by any type of trauma that causes elevated intracranial pressure; including
226:. The lateral rectus muscle is responsible for lateral movement of the eyeball, specifically abduction. Abduction describes the movement of the eye away from the midline (i.a. nose), allowing the eyeball to move horizontally in the lateral direction, bringing the pupil away from the midline of the body.
47:
360:. This syndrome occurs when the sixth cranial nerve which controls the lateral rectus muscle does not develop properly. It is believed that Duane Syndrome is a result of a disturbance of normal embryonic development due to a genetic or an environmental factor.
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279:. These neurons project axons as the abducens nerve which exit from the pontomedullary junction of the brainstem, travels through the
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The lateral rectus muscle inserts into the temporal side of the eyeball. This insertion is around 7 mm from the
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Dissection showing origins of right ocular muscles, and nerves entering by the superior orbital fissure.
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244:, also known as the annular tendon. The common tendinous ring is a tendinous ring that surrounds the
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is shown in this superior view of the eye. The lateral rectus is on the right side of the image.
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Figure showing the mode of innervation of the Recti medialis and lateralis of the eye.
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The insertion of the lateral rectus muscle is around 8 mm from the insertion of the
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and serves as the origin for five of the seven extraocular muscles, excluding the
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In addition, another disorder associated with the lateral rectus muscle is
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291:. It then enters the medial surface of the lateral rectus to innervate it.
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Lateral view of the eyeball with lateral rectus muscle visible (cut).
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The lateral rectus muscle originates at the lateral part of the
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Purves, D.; Augustine, G. J.; Fitzpatrick, D., eds. (2001).
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211:
484:"An anatomical reevaluation of rectus muscle insertions"
634:
at Human
Anatomy Online, SUNY Downstate Medical Center
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The lateral rectus is the only muscle supplied by the
488:
Transactions of the
American Ophthalmological Society
434:"The Actions and Innervation of Extraocular Muscles"
271:(CN VI). The neuron cell bodies are located in the
1556:
562:
609:NORD (National Organization for Rare Disorders)
530:
440:(2nd ed.). Sunderland: Sinauer Associates.
565:"The Six Syndromes of the Sixth Cranial Nerve"
1002:
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563:Azarmina, Mohsen; Azarmina, Hossein (2013).
1009:
995:
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533:"Neuroanatomy, Cranial Nerve 6 (Abducens)"
57:
45:
580:
569:Journal of Ophthalmic and Vision Research
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687:
531:Nguyen, Van; Varacallo, Matthew (2019),
340:
303:, around 7 mm from the insertion of the
1016:
14:
1557:
1314:Levator labii superioris alaeque nasi
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661:
477:
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473:
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806:Levator palpebrae superioris muscle
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333:, turning the eye laterally in the
24:
259:. It has a width of around 10 mm.
25:
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625:
468:
27:Muscle on lateral side of the eye
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382:
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30:For the muscle of the neck, see
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143:musculus rectus lateralis bulbi
32:Rectus capitis lateralis muscle
971:Suspensory ligament of eyeball
597:
556:
524:
444:
13:
1:
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1565:Muscles of the head and neck
1270:Levator palpebrae superioris
1082:Levator palpebrae superioris
781:Trochlea of superior oblique
307:, and around 10 mm from the
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229:
7:
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210:on the lateral side of the
10:
1586:
1399:Depressor labii inferioris
325:The lateral rectus muscle
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186:Anatomical terms of muscle
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884:Accessory lacrimal glands
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816:Medial palpebral ligament
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539:, StatPearls Publishing,
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1341:Levator labii superioris
632:Anatomy figure: 29:01-05
289:superior orbital fissure
127:(makes it move outwards)
788:Inferior oblique muscle
776:Superior oblique muscle
647:Yale School of Medicine
250:inferior oblique muscle
761:Inferior rectus muscle
756:Superior rectus muscle
305:superior rectus muscle
301:inferior rectus muscle
64:Lateral rectus muscle:
1530:Inferior longitudinal
1525:Superior longitudinal
1394:Depressor anguli oris
1265:Corrugator supercilii
766:Lateral rectus muscle
377:Lateral rectus muscle
341:Clinical significance
242:common tendinous ring
204:lateral rectus muscle
95:7 mm temporal to the
83:Common tendinous ring
1309:Depressor septi nasi
1258:depressor supercilii
771:Medial rectus muscle
224:movements of the eye
1336:Levator anguli oris
869:Lacrimal canaliculi
413:Extraocular muscles
236:Extraocular muscles
220:extraocular muscles
218:. It is one of six
85:at the orbital apex
1121:sphenomandibularis
861:Lacrimal apparatus
1570:Human eye anatomy
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1409:Transversus menti
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1253:Orbicularis oculi
1236:Occipitofrontalis
1210:Temporoparietalis
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954:Plica semilunaris
921:Nasolacrimal duct
874:Lacrimal caruncle
841:Palpebral fissure
452:"Annulus of Zinn"
364:Additional images
347:sixth nerve palsy
222:that control the
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16:(Redirected from
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1457:Palatopharyngeus
1371:Orbicularis oris
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911:Lacrimal punctum
906:Lacrimal papilla
894:Ciaccio's glands
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649:. Archived from
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605:"Duane syndrome"
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192:edit on Wikidata
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1497:chondroglossus
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653:on 2016-03-03.
643:Cranial Nerves
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626:External links
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575:(2): 160–171.
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358:Duane Syndrome
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309:corneal limbus
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283:and enter the
269:abducens nerve
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257:corneal limbus
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40:Lateral rectus
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18:Lateral rectus
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1435:Veli palatini
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851:Gland of Zeis
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738:Lacrimal bone
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1504:Styloglossus
1487:Genioglossus
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916:Lacrimal sac
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728:Ethmoid bone
708:Frontal bone
651:the original
642:
612:. Retrieved
608:
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548:, retrieved
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459:. Retrieved
455:
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438:Neuroscience
437:
427:
355:
344:
324:
321:Eye movement
298:
287:through the
266:
263:Nerve supply
254:
239:
203:
201:
155:A15.2.07.013
142:
63:
1427:Soft palate
1346:Zygomaticus
1241:occipitalis
1099:Masticatory
1030:Extraocular
949:Conjunctiva
494:: 365–375.
456:www.aao.org
246:optic nerve
132:Identifiers
1559:Categories
1535:Transverse
1492:Hyoglossus
1381:Buccinator
1150:masseteric
1116:Temporalis
966:Periorbita
614:2019-09-04
550:2019-09-04
537:StatPearls
461:2019-09-04
419:References
319:See also:
234:See also:
1518:Intrinsic
1480:Extrinsic
1246:frontalis
1203:posterior
1188:Auricular
1128:Pterygoid
500:0065-9533
295:Relations
230:Structure
91:Insertion
1540:Vertical
1404:Mentalis
1376:Risorius
1292:Procerus
1198:superior
1193:anterior
1155:temporal
1111:Masseter
1065:inferior
1060:superior
1048:superior
1043:inferior
591:23943691
545:28613463
407:See also
315:Function
1445:levator
1297:Nasalis
1133:lateral
1075:lateral
1038:Oblique
1020:of the
1018:Muscles
942:Unibrow
937:Eyebrow
846:Canthus
836:Eyelash
748:Muscles
692:of the
582:3740468
518:7257065
509:1312149
327:abducts
275:in the
214:in the
125:eyeball
121:Abducts
116:Actions
72:Details
1472:Tongue
1440:tensor
1224:eyelid
1171:Facial
1145:Fascia
1138:medial
1070:medial
1055:Rectus
811:Tarsus
798:Eyelid
589:
579:
543:
516:
506:
498:
208:muscle
97:limbus
78:Origin
1356:minor
1351:major
1324:Mouth
1220:Scalp
930:Other
701:Bones
690:orbit
639:"6-1"
335:orbit
285:orbit
216:orbit
206:is a
190:[
179:49038
138:Latin
104:Nerve
1284:Nose
1022:head
688:The
587:PMID
541:PMID
514:PMID
496:ISSN
329:the
277:pons
202:The
167:2045
150:TA98
123:the
1180:Ear
694:eye
577:PMC
504:PMC
337:.
331:eye
212:eye
174:FMA
162:TA2
1561::
645:.
641:.
607:.
585:.
571:.
567:.
535:,
512:.
502:.
492:78
490:.
486:.
470:^
454:.
436:.
345:A
311:.
252:.
1222:/
1010:e
1003:t
996:v
681:e
674:t
667:v
617:.
593:.
573:8
520:.
464:.
194:]
34:.
20:)
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