Sulcus is a term used in anatomy and refers to a groove or furrow, particularly on the surface of the brain. It can also refer to a ridge or fold in other parts of the body such as the skin or organs.
Usage examples
The neurosurgeon carefully followed the sulcus of the brain to avoid damaging any important structures.
The paleontologist made an exciting discovery when they found a fossilized dinosaur track in the sulcus of a rocky outcrop.
During the dental examination, the dentist noticed an accumulation of plaque in the sulcus, indicating poor oral hygiene.
The botanist studied the leaf anatomy and observed that the veins run parallel to each other, following the natural sulcus pattern.
The anatomy teacher explained to the students how the sulcus separates the frontal and parietal lobes of the brain.
Functional differentiation of posterior superior temporal sulcus in autism: a functional connectivity magnetic resonance imaging study. (frontiersin.org)
Although such abnormal tau clusters are found in brain diseases including Alzheimer's, their location in CTE is unique — near small blood vessels, and most often near the bottom of sulci, the deep folds in the brain's cortex. (sciencemag.org)
The scans showed the monkeys used the brain's arcuate sulcus region to do the task. (newscientist.com)