superior rectus

Noun

 * 1)  The thinnest and narrowest of the four extraocular muscles of the eyeball in the orbit, which arises from the border of the optic foramen and inserts into the superior aspect of the sclera.

Translations

 * Chinese:
 * Mandarin: 上直肌
 * Italian: retto superiore, muscolo retto superiore
 * Spanish: recto superior, músculo recto superior