Inferior rectus muscle

Inferior rectus muscle

Muscle infobox
Name = Inferior rectus
Latin = musculus rectus inferior bulbi
GraySubject = 227
GrayPage = 1022


Caption = "Rectus muscles:"
2 = superior, 3 = inferior, 4 = medial, 5 = lateral
"Oblique muscles:" 6 = superior, 8 = inferior
"Other muscle:" 9 = levator palpebrae superioris
"Other structures:" 1 = Annulus of Zinn, 7 = Trochlea, 10 = Superior tarsus, 11 = Sclera, 12 = Optic nerve

| Caption2 = Sagittal section of right orbital cavity.
Origin = annulus of Zinn at the orbital apex
Insertion = 6.5 mm inferior to the limbus
Blood =
Nerve = inferior branch of oculomotor nerve
Action = depression and adduction
DorlandsPre = m_22
DorlandsSuf = 12550484
The inferior rectus muscle is a muscle in the orbit.

Actions

It depresses, adducts, rotates laterally, and extorts the eye.

Innervation

As with most of the muscles of the orbit, it is innervated by the oculomotor nerve (Cranial Nerve III).


=Additional

External links

*
*
*
* (NormanAnatomyFig|orbit5)
* [http://www.med.mun.ca/anatomyts/head/eyemusc.gifDiagram at mun.ca]


Wikimedia Foundation. 2010.

Игры ⚽ Нужно сделать НИР?

Look at other dictionaries:

  • inferior rectus muscle — noun the ocular muscle whose contraction turns the eyeball down and medially • Syn: ↑inferior rectus, ↑rectus inferior • Hypernyms: ↑ocular muscle, ↑eye muscle …   Useful english dictionary

  • Inferior oblique muscle — Inferior oblique Rectus muscles: 2 = superior, 3 = inferior, 4 = medial, 5 = lateral Oblique muscles: 6 = superior, 8 = inferior Other muscle: 9 = levator palpebrae superioris …   Wikipedia

  • inferior rectus — noun the ocular muscle whose contraction turns the eyeball down and medially • Syn: ↑inferior rectus muscle, ↑rectus inferior • Hypernyms: ↑ocular muscle, ↑eye muscle …   Useful english dictionary

  • inferior rectus — noun A muscle in the orbit of the eye. Syn: inferior rectus muscle See Also: superior rectus, medial rectus, lateral rectus …   Wiktionary

  • Medial rectus muscle — Medial rectus Rectus muscles: 2 = superior, 3 = inferior, 4 = medial, 5 = lateral Oblique muscles: 6 = superior, 8 = inferior Other muscle: 9 = levator palpebrae superioris O …   Wikipedia

  • Lateral rectus muscle — Muscle infobox Name = Lateral rectus Latin = musculus rectus lateralis bulbi GraySubject = 227 GrayPage = 1022 Caption = Rectus muscles: 2 = superior, 3 = inferior, 4 = medial, 5 = lateral Oblique muscles: 6 = superior, 8 = inferior Other muscle …   Wikipedia

  • Superior rectus muscle — Muscle infobox Name = Superior rectus Latin = musculus rectus superior bulbi GraySubject = 227 GrayPage = 1022 Caption = Rectus muscles: 2 = superior, 3 = inferior, 4 = medial, 5 = lateral Oblique muscles: 6 = superior, 8 = inferior Other muscle …   Wikipedia

  • rectus muscle of eyeball inferior — musculus rectus inferior bulbi …   Medical dictionary

  • rectus inferior — noun the ocular muscle whose contraction turns the eyeball down and medially • Syn: ↑inferior rectus muscle, ↑inferior rectus • Hypernyms: ↑ocular muscle, ↑eye muscle …   Useful english dictionary

  • Muscle — is the tissue of the body which primarily functions as a source of power. There are three types of muscle in the body. Muscle which is responsible for moving extremities and external areas of the body is called "skeletal muscle." Heart… …   Medical dictionary

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”