Definition of vesicle

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Vesicle (n.) A small cavity, nearly spherical in form, and usually of the size of a pea or smaller, such as are common in some volcanic rocks. They are produced by the liberation of watery vapor in the molten mass..

Lern More About Vesicle

Otocyst :: Otocyst (n.) 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..
Vesiculation :: Vesiculation (n.) The state of containing vesicles, or the process by which vesicles are formed..
Pro Thyalosoma :: Pro thyalosoma (n.) The investing portion, or spherical envelope, surrounding the eccentric germinal spot of the germinal vesicle..
Vesicle :: Vesicle (n.) A small cavity, nearly spherical in form, and usually of the size of a pea or smaller, such as are common in some volcanic rocks. They are produced by the liberation of watery vapor in the molten mass..
Bulla :: Bulla (n.) A bleb; a vesicle, or an elevation of the cuticle, containing a transparent watery fluid..
Planula :: Planula (n.) 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 gastrula..
Cystocarp :: Cystocarp (n.) A minute vesicle in a red seaweed, which contains the reproductive spores..
Itch :: Itch (n.) 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..
Bladderwort :: Bladderwort (n.) A genus (Utricularia) of aquatic or marshy plants, which usually bear numerous vesicles in the divisions of the leaves. These serve as traps for minute animals. See Ascidium..
Vesicular :: Vesicular (a.) Of or pertaining to vesicles; esp., of or pertaining to the air vesicles, or air cells, of the lungs; as, vesicular breathing, or normal breathing, in which the air enters freely the air vesicles of the lungs..
Vesicle :: Vesicle (n.) A bladderlike vessel; a membranous cavity; a cyst; a cell.
Herpes :: Herpes (n.) An eruption of the skin, taking 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..
Vesicle :: Vesicle (n.) A small bladderlike body in the substance of vegetable, or upon the surface of a leaf..
Allantoid :: Allantoid (n.) A membranous appendage of the embryos of mammals, birds, and reptiles, -- in mammals serving to connect the fetus with the parent; the urinary vesicle..
Encysted :: Encysted (a.) Inclosed in a cyst, or a sac, bladder, or vesicle; as, an encysted tumor..
Chromatophore :: Chromatophore (n.) A contractile cell or vesicle containing liquid pigment and capable of changing its form or size, thus causing changes of color in the translucent skin of such animals as possess them. They are highly developed and numerous in the cephalopods..
Vesicle :: Vesicle (n.) A cavity or sac, especially one filled with fluid; as, the umbilical vesicle..
Nucleoplasmic :: Nucleoplasmic (a.) Of or pertaining to nucleoplasm; -- esp. applied to a body formed in the developing ovum from the plasma of the nucleus of the germinal vesicle.
Areola :: Areola (n.) The colored ring around the nipple, or around a vesicle or pustule..
Smallpox :: Smallpox (n.) A contagious, constitutional, febrile disease characterized by a peculiar eruption; variola. The cutaneous eruption is at first a collection of papules which become vesicles (first flat, subsequently umbilicated) and then pustules, and finally thick crusts which slough after a certain time, often leaving a pit, or scar..
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