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rectus

play
noun rec·tus \ˈrek-təs\

Definition of rectus

plural

recti

play \-ˌtī, -ˌtē\
  1. :  any of several straight muscles (as of the abdomen)



Origin and Etymology of rectus

New Latin, from rectus musculus straight muscle


First Known Use: 1615


Medical Dictionary

rectus

play
noun rec·tus \ˈrek-təs\

Medical Definition of rectus

plural

recti

\-ˌtī\play
  1. 1:  any of several straight muscles (as the rectus abdominis or the rectus femoris)

  2. 2:  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:a:  one that is the thinnest and narrowest and inserts into the superior aspect of the sclera—called also rectus superior, superior rectusb:  one that is the longest, arises by two heads, and inserts into the lateral aspect of the sclera—called also lateral rectus, rectus lateralisc:  one that is the broadest and inserts into the medial aspect of the sclera—called also medial rectus, rectus medialisd:  one that inserts into the inferior aspect of the sclera—called also inferior rectus, rectus inferior




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