Definition of vesicle

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Vesicle (n.) A cavity or sac, especially one filled with fluid; as, the umbilical vesicle..

Lern More About Vesicle

Eczema :: Eczema (n.) An inflammatory disease of the skin, characterized by the presence of redness and itching, an eruption of small vesicles, and the discharge of a watery exudation, which often dries up, leaving the skin covered with crusts; -- called also tetter, milk crust, and salt rheum..
Vesicular :: Vesicular (a.) Containing, or composed of, vesicles or vesiclelike structures; covered with vesicles or bladders; vesiculate; as, vesicular coral; vesicular lava; a vesicular leaf..
Vesicle :: Vesicle (n.) A small, and more or less circular, elevation of the cuticle, containing a clear watery fluid..
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..
Bleb :: Bleb (n.) A large vesicle or bulla, usually containing a serous fluid; a blister; a bubble, as in water, glass, etc..
Parthenogenesis :: Parthenogenesis (n.) The production of seed without fertilization, believed to occur through the nonsexual formation of an embryo extraneous to the embrionic vesicle..
Umbilication :: Umbilication (n.) A slight, navel-like depression, or dimpling, of the center of a rounded body; as, the umbilication of a smallpox vesicle; also, the condition of being umbilicated..
Utricle :: Utricle (n.) A little sac or vesicle, as the air cell of fucus, or seaweed..
Brain :: Brain (n.) The whitish mass of soft matter (the center of the nervous system, and the seat of consciousness and volition) which is inclosed in the cartilaginous or bony cranium of vertebrate animals. It is simply the anterior termination of the spinal cord, and is developed from three embryonic vesicles, whose cavities are connected with the central canal of the cord; the cavities of the vesicles become the central cavities, or ventricles, and the walls thicken unequally and become the three seg
Umbilicated :: Umbilicated (a.) Depressed in the middle, like a navel, as a flower, fruit, or leaf; navel-shaped; having an umbilicus; as, an umbilicated smallpox vesicle..
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..
Oospere :: Oospere (n.) An analogous mass of protoplasm in the ovule of a flowering plant; an embryonic vesicle.
Swineery :: Swine-pox (n.) A variety of the chicken pox, with acuminated vesicles containing a watery fluid; the water pox..
Vesiculate :: Vesiculate (v. t.) To form vesicles in, as lava..
Vesicle :: Vesicle (n.) A bladderlike vessel; a membranous cavity; a cyst; a cell.
Rupia :: Rupia (n.) 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..
Alveolus :: Alveolus (n.) A small depression, sac, or vesicle, as the socket of a tooth, the air cells of the lungs, the ultimate saccules of glands, etc..
Sudarium :: Sudamina (n. pl) Minute vesicles surrounded by an area of reddened skin, produced by excessive sweating..
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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