Definition of Sulcus
Sulcus: A groove, crevice, or furrow. In medicine, there are many sulci (plural of sulcus) as, for example, the superior pulmonary sulcus. Sulcus is the Latin for groove, furrow, or trench.
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=5588
Last Editorial Review: 4/24/2004
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