Sulcus

Sulcus (pl. sulci) is a Latin word :


 * used in Latin to refer to a groove, furrow or trench.
 * used in medicine, botany and zoology to refer to grooves, crevices, and furrows. e.g., superior pulmonary sulcus See Sulcus (anatomy)
 * for sulci specifically in the brain, see sulcus (neuroanatomy).