Sulcusnoun
(anatomy) A furrow or groove in an organ or a tissue, especially that marking the convolutions of the surface of the brain.
Sulcusnoun
(planetology) A region of subparallel grooves or ditches formed by a geological process.
Sulcusnoun
A furrow; a groove; a fissure.
Sulcusnoun
(anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain
Fissurenoun
A crack or opening, as in a rock.
Fissurenoun
(anatomy) A groove, deep furrow, elongated cleft, or tear; a sulcus.
Fissureverb
To split, forming fissures.
Fissurenoun
A narrow opening, made by the parting of any substance; a cleft; as, the fissure of a rock.
Fissureverb
To cleave; to divide; to crack or fracture.
Fissurenoun
a long narrow depression in a surface
Fissurenoun
a long narrow opening
Fissurenoun
(anatomy) a long narrow slit or groove that divides an organ into lobes
Fissureverb
break into fissures or fine cracks
Fissure
In anatomy, a fissure (Latin fissura, plural fissurae) is a groove, natural division, deep furrow, elongated cleft, or tear in various parts of the body. It is also generally called a sulcus, but this term can also reffer specifically to the analagous brain structure.