Search the Dictionary

Inclosed in a cyst, or a sac, bladder, or vesicle; as, an encysted tumor. The encysted venom, or poison bag, beneath the adder's fang. Coleridge.

are preceded by chills. It is of malarial origin. -- Fever blister (Med.), a blister or vesicle often found about the mouth in febrile states; a variety of herpes. -- Fever bush (Bot.), the wild allspice or spice bush. See Spicewood. -- Fever powder. Same as Jame's powder. -- Fever root (Bot.), an American herb of…

Pertaining or belonging to a germ; as, the germinal vesicle. Germinal layers (Biol.), the two layers of cells, the ectoblast and entoblast, which form respectively the outer covering and inner wall of the gastrula. A third layer of cells, the mesoblast, which is formed later and lies between these two, is sometimes inc…

Pertaining to germination; having power to bud or develop. Germinative spot, Germinative vesicle. (Biol.) Same as Germinal spot, Germinal vesicle, under Germinal.

rtaining to, or discovered by, Regnier de Graaf, a Dutch physician. Graafian follicles or vesicles, small cavities in which the ova are developed in the ovaries of mammals, and by the bursting of which they are discharged.

ng various names, according to its form, or the part affected; especially, an eruption of vesicles in small distinct clusters, accompanied with itching or tingling, including shingles, ringworm, and the like; -- so called from its tendency to creep or spread from one part of the skin to another.

A plant (Mesembryanthemum crystallinum), sprinkled with pellucid, watery vesicles, which glisten like ice. It is native along the Mediterranean, in the Canaries, and in South Africa. Its juice is said to be demulcent and diuretic; its ashes are used in Spain in making glass. Ice-skater = one who skates on ice wearing a…

An eruption of small, isolated, acuminated vesicles, produced by the entrance of a parasitic mite (the Sarcoptes scabei), and attended with itching. It is transmissible by contact.

rom animals, characterized by the formation, at the point of reception of the virus, of a vesicle or pustule which first enlarges and then breaks down into an unhealthy ulcer. It is marked by profound exhaustion and usually fatal. Called also charbon, and sometimes, improperly, anthrax.

ed to a body formed in the developing ovum from the plasma of the nucleus of the germinal vesicle.

An analogous mass of protoplasm in the ovule of a flowering plant; an embryonic vesicle. Goodale.

An auditory cyst or vesicle; one of the simple auditory organs of many invertebrates, containing a fluid and otoliths; also, the embryonic vesicle from which the parts of the internal ear of vertebrates are developed.

A germinal vesicle.

elieved to occur through the nonsexual formation of an embryo extraneous to the embrionic vesicle.

A slender support of any special organ, as that of a capsule in mosses, an air vesicle in algæ, or a sporangium in ferns.

In embryonic development, a vesicle filled with fluid, formed from the morula by the divergence of its cells in such a manner as to give rise to a central space, around which the cells arrange themselves as an envelope; an embryonic form intermediate between the morula and gastrula. Sometimes used as synonymous with ga…

g portion, or spherical envelope, surrounding the eccentric germinal spot of the germinal vesicle.

A vesicle or an elevation of the cuticle with an inflamed base, containing pus. Malignant pustule. See under Malignant.

presence of a vegetable parasite, and forming ring-shaped discolored patches covered with vesicles or powdery scales. It occurs either on the body, the face, or the scalp. Different varieties are distinguished as Tinea circinata, Tinea tonsurans, etc., but all are caused by the same parasite (a species of Trichophyton)…

An eruption upon the skin, consisting of vesicles with inflamed base and filled with serous, purulent, or bloody fluid, which dries up, forming a blackish crust.