sulcus n : (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain [also: sulci (pl)]

English

Noun

1. a furrow or groove in an organ or a tissue
2. any of the grooves that mark the convolutions of the surface of the brain
3. subparallel grooves and ditches formed by geological processes

Derived terms

• calcaneal sulcus
• central sulcus
• cingulate sulcus
• interlabial sulcus
• intermammary sulcus
• lacrimal sulcus (sulcus lacrimalis)
• lateral sulcus
• malleolar sulcus
• postcentral sulcus
• preauricular sulcus
• precentral sulcus
• radial sulcus (musculospiral groove)
• sagittal sulcus
• sigmoid sulcus
• sulcus arteriæ vertebralis
• sulcus tubae auditivae
• tympanic sulcus

Sulcus (anatomy)- A groove, crevice, or furrow

• used in Latin to refer to a groove, furrow or trench.
• used in planetary geology to refer to subparallel grooves and ditches formed by geological processes. See Sulcus (geology)
• 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).

• Sulci is also an ancient town in southwest Sardinia, notable for the Battle of Sulci that was fought off its coast in 258 BC.