SULCUS
\sˈʌlkəs], \sˈʌlkəs], \s_ˈʌ_l_k_ə_s]\
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1. One of the grooves or furrows on the surface of the brain, bounding the several convolutions or gyri, a fissure. 2. Any long narrow groove, furrow, or slight depression.
By Stedman, Thomas Lathrop
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A groove; the cerebral grooves; those of heart, tongue, cornea, bones, etc.; a stomodaeal groove of Anthozoa; a longitudinal flagellum groove of Dinoflagellata.
By Henderson, I. F.; Henderson, W. D.
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A furrow. A groove. (F.) Sillon. Anatomists have given this name to grooves on the surface of bones and other organs. See Anfractuosity. French writers on anatomy often use the term Sillons for the grooves which lodge the arteries and creep on the surface of bones; whilst those-that receive veins are called gouttieres, ' gutters.' Also, the vulva.
By Robley Dunglison
By Willam Alexander Newman Dorland
