A sulcus is a shallow groove that surrounds a gyrus or part of a gyrus. A fissure is a deeper furrow that divides the brain into lobes, and also into the two hemispheres as the longitudinal fissure. [4]

May 7, 2025 · Sulci (singular: sulcus) are the grooves or furrows that separate the gyri. This pattern of folds increases the brain’s surface area, packing in more neurons without increasing the brain’s size.

2 days ago · A sulcus (plural: sulci) is the groove, furrow, or depression that separates two neighboring gyri. These indentations also contain gray matter and serve to delineate the boundaries of different …

The meaning of SULCUS is furrow, groove; especially : a shallow furrow on the surface of the brain separating adjacent convolutions.

SULCUS definition: a furrow or groove. See examples of sulcus used in a sentence.

ciliary sulcus A groove situated between the posterior root of the iris and the ciliary body. It may be used, sometimes, as a site of fixation of an intraocular lens implant.

This cortical region runs mediolaterally along the posterior bank of the suprasylvian sulcus, and is distinct from adjoining areas in anatomical architecture.

So what is the brain's surface called a sulcus? Sulcus is the patterned grooves or furrows on the brain’s cerebral cortex that increase the brain's size and separate the lobes and irregular-shaped ridges of …

Jul 27, 2025 · Gyri and sulci vary slightly in their dimensions and morphology between individuals or even between hemispheres. Some may not be present in a number of individuals and others deep …

Identify the major fissures and sulci of the human brain. Fissures or grooves in the surface of the cortex are called sulci (singular, sulcus; Latin, “furrow, groove, ditch, trench”). Deep grooves are called …