英语释义
1. any of several straight muscles (as of the abdomen)
2. any of several straight muscles (as the rectus abdominis or the rectus femoris)
3. any of four extraocular muscles of the eyeball that arise from the border of the optic foramen and run forward to insert into the sclera of the eyeball:
4. one that is the thinnest and narrowest and inserts into the superior aspect of the sclera — called also rectus superior, superior rectus
5. one that is the longest, arises by two heads, and inserts into the lateral aspect of the sclera — called also lateral rectus, rectus lateralis
6. one that is the broadest and inserts into the medial aspect of the sclera — called also medial rectus, rectus medialis
7. one that inserts into the inferior aspect of the sclera — called also inferior rectus, rectus inferior