Inferior rectus muscle
From Wikipedia, the free encyclopedia
The inferior rectus muscle, is shown in this superior view of the eye, along with its axis of rotation. The other muscle is the superior oblique muscle, which angles around the trochlea.
|Origin||annulus of Zinn at the orbital apex|
|Insertion||6.5 mm inferior to the limbus|
|Nerve||inferior branch of oculomotor nerve|
|Actions||depression and adduction|
|Latin||musculus rectus inferior bulbi|
|Anatomical terms of muscle|
See also: Extraocular muscles
See also: Eye movement
The inferior rectus muscle is the only muscle that is capable of depressing the pupil when it is in a fully abducted position.
||This gallery of anatomic features needs cleanup to abide by the medical manual of style.|
- "Eye Theory". Cim.ucdavis.edu. Retrieved 2010-11-27.