Word Finder - sulcus

definition

A furrow or groove in an organ or a tissue.

definition

Any of the grooves that mark the convolutions of the surface of the brain.

synonyms

• fissure

definition

A region of subparallel grooves or ditches formed by a geological process.

In these the tentacles are stunted or suppressed and the mesenteries are ill-developed, but the sulcus is unusually large and has long cilia.

These grooves are known as the sulcus and sulculus, and will be more particularly described hereafter.

There is only one ciliated groove, the sulcus, in the stomodaeum.

The stomodaeum is compressed laterally, and is furnished with two longitudinal grooves, a sulcus and a sulculus.

The third pair is formed in the sulcar chamber, in close connexion with the sulcus, and in this case the muscle-banners are on the sulcular faces.

Externally they resemble ordinary sea-anemones, but there is only one ciliated groove, the sulcus, in the stomodaeum, and the mesenteries are arranged on a peculiar pattern.

Each zooid has six tentacles; the stomodaeum is elongate, but the sulcus and sulculus are very feebly represented.

A contrast of the segregated percept minus the fused percept showed parietal and occipital activation on the bank of the right intraparietal sulcus.

There is a small soft tissue density closely applied to the upper mediastinum on the right, in the superior sulcus.

The central sulcus (CS) was identified by somatosensory evoked potential (SEP) phase reversal.

Top J Junctional epithelium - the epithelium which seals the base of the gingival sulcus against the tooth.

The inner condyle, the intercondylar sulcus, and a portion only of its outer condyle, articulate with corresponding facets of the tibia.

On the anterior side of the tibia, is the intercondylar sulcus, which is crossed by an oblique bridge of tendon or bone, acting as a pulley for the tendon of the extensor digitorum communis muscle.

Thrush produces a foul smelling black discharge in the affected sulcus of the frog.

A V-shaped line, the sulcus terminalis, divides the tongue into an anterior 2/3 and a posterior 1/3.

Probing will reveal a sulcus depth greater than the normal.

This pocket is called the gingival sulcus.

The distinction, therefore, between the movement of the eyeballs, elicited from the occipital (visual) cortex, and that of the hand, elicited from the cortex in the region of the central sulcus (somaesthetic), is not a difference between motor and sensory, for both are sensori-motor in the nature of their reactions; the difference is only a difference between the kind of sense and sense-organ in the two cases, the muscular apparatus in each case being an appanage of the sensual.

Each mesentery has a filament; but two of them, namely, the pair farthest from the sulcus, are longer than the rest, and have a different form of filament.

The arrangement of the muscle-banners on the mesenteries is characteristic. On six of the mesenteries the muscle-banners have the same position as in the Alcyonaria, namely, on the sulcar faces; but in the two remaining mesenteries, namely, those which are attached on either side of the sulcus, the muscle-banners are on the opposite or sulcular faces.