Sulcus (Latin for "furrow"; sulci) may refer to:
Sulcus primigenius, the sacred furrow created at the foundation of Roman cities in antiquity Gingival sulcus, the space between a tooth and surrounding tissue Gluteal sulcus, the horizontal crease in humans and certain other primates where the lower end of the buttocks join the thigh Sulcus (morphology), a groove, crevice or furrow in medicine, botany, and zoology Sulcus (neuroanatomy), a crevice on the surface of the brain Sulcus (geology), a long parallel groove on a planet or a moon Coronal sulcus, the groove under the corona of the glans penis In botany, sulci in seeds or pollen grains are colpi
See also
Sulci, an ancient town in southwest Sardinia notable for the Battle of Sulci in 258 BC Sulcalization, a term in phonetics and phonology Gyrification