gingival sulcus

sulcus

 [sul´kus] (L.)

a groove or furrow; used in anatomic nomenclature to designate a linear depression, especially one of the cerebral sulci.

basilar sulcus a groove in the midline of the anterior surface of the pons, lodging the basilar artery.

calcarine sulcus a sulcus of the medial surface of the occipital lobe, separating the cuneus from the lingual gyrus.

central sulcus fissure of Rolando.

cerebral sulci the furrows on the surface of the brain between the gyri (see gyrus).

Cerebral sulci, showing some major ones on the superolateral surface of the left cerebral hemisphere. From Dorland's, 2000.

collateral sulcus collateral fissure.

sul´ci cu´tis fine depressions of the skin between the ridges of the skin.

gingival sulcus the space between the surface of the tooth and the epithelium lining the free gingiva.

hippocampal sulcus hippocampal fissure.

posterior median sulcus posterior median fissure.

gin·gi·val sul·cus

[TA]

the space between the surface of the tooth and the free gingiva.

Synonym(s): sulcus gingivalis [TA], gingival crevice, gingival groove, gingival space, subgingival space

sul·cus

, gen. and pl. sulci (sŭl'kŭs, -sī)

1. One of the grooves or furrows on the surface of the brain, bounding the several convolutions or gyri; a fissure.
See also: fissure

2. Any long, narrow groove, furrow, or slight depression.
See also: groove

3. A groove or depression in the oral cavity or on the surface of a tooth.

4. The healthy space between the marginal gingiva and a tooth; a space not exceeding 3 mm is considered healthy.
Synonym(s): gingival sulcus.

[L. a furrow or ditch]

gin·gi·val sul·cus

(jin'ji-văl sŭl'kŭs) [TA]

Space between tooth surface and free gingiva.
Synonym(s): gingival crevice, gingival groove.