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e of being constricted; the point where a thing is constricted; a narrowing or binding. A constriction of the parts inservient to speech. Grew.

Great anxiety accompanied by painful constriction at the upper part of the belly, often with palpitation and oppression.

Constriction or contraction of some natural passage, as in constipation from inflammation.

on of the bronchi), recurring at intervals, accompanied with a wheezing sound, a sense of constriction in the chest, a cough, and expectoration.

A constriction in the bore of a shotgun, case of a rocket, etc.

y connected; -- applied to insects having the abdomen separated from the thorax only by a constriction. Coarctate pupa (Zoöl.), a pupa closely covered by the old larval skin, as in most Diptera.

Having the head, thorax, and abdomen separated by a deep constriction. Disjunct tetrachords (Mus.), tetrachords so disposed to each other that the gravest note of the upper is one note higher than the acutest note of the other.

onfine; to shut up or inclose; to hem in. Incarcerated hernia (Med.), hernia in which the constriction can not be easily reduced.

A constriction of the hernial sac, rendering it irreducible, but not great enough to cause strangulation.

the piece between the chase and the swell of the muzzle. -- Neck of a tooth (Anat.), the constriction between the root and the crown. -- Neck or nothing (Fig.), at all risks. -- Neck verse. (a) The verse formerly read to entitle a party to the benefit of clergy, said to be the first verse of the fifty-first Psalm, "…

The act of occluding, or the state of being occluded. Constriction and occlusion of the orifice. Howell.

Constipation; also, constriction of the vessels or ducts.

ion stopped by compression; attended with arrest or obstruction of circulation, caused by constriction or compression; as, a strangulated hernia.

Inordinate compression or constriction of a tube or part, as of the throat; especially, such as causes a suspension of breathing, of the passage of contents, or of the circulation, as in cases of hernia.

Compression, especially constriction of vessels by an external cause.

Causing constriction of the blood vessels; as, the vasoconstrictor nerves, stimulation of which causes constriction of the blood vessels to which they go. These nerves are also called vasohypertonic. n.

t impulses are changed into efferent, -- vasomotor impulses leading either to dilation or constriction of the blood vessels.