How to Pronounce Sulcus

Sulcus is pronounced SUL-kus, with the stress on the first syllable. Say it like "SUL" (rhymes with "dull") followed by "kus" (rhymes with "bus"). The emphasis falls on that opening SUL sound.

Many people mistakenly say sul-CUS, stressing the second syllable instead of the first. The correct pronunciation puts the emphasis on SUL-kus, not sul-KUS. Remember: the stress belongs at the beginning of the word.

Sulcus has two syllables: SUL-kus. Breaking it into parts helps you say it smoothly and remember it better.

A sulcus is simply a groove or furrow—like a long, narrow ditch or channel cut into a surface. In anatomy, it refers to these natural grooves you find on bones, similar to how furrows are cut into a field.

Sulcus comes from Latin, the ancient Roman language. The Latin word "sulcus" originally meant a furrow or groove made by a plow in soil, which is a perfect match for what the word describes in anatomy.

The plural of sulcus is sulci, pronounced SUL-sigh (with the stress still on the first syllable). Since sulcus comes from Latin, it follows Latin plural rules, changing the ending from -us to -i.

Words like sulcate (which means "having grooves or furrows") share the same Latin root. You might also encounter terms like "sulcal" (meaning "relating to a sulcus") in medical or anatomical texts. All of these words trace back to that original Latin idea of a groove or furrow.

Here's an example: "The intertubercular sulcus is a groove on the upper arm bone where a tendon runs through." This sentence shows how sulcus is used to describe a specific anatomical groove.