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Vesicle   Listen
noun
Vesicle  n.  A bladderlike vessel; a membranous cavity; a cyst; a cell. Specifically:
(a)
(Bot.) A small bladderlike body in the substance of a vegetable, or upon the surface of a leaf.
(b)
(Med.) A small, and more or less circular, elevation of the cuticle, containing a clear watery fluid.
(c)
(Anat.) A cavity or sac, especially one filled with fluid; as, the umbilical vesicle.
(d)
(Zool.) A small convex hollow prominence on the surface of a shell or a coral.
(e)
(Geol.) 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.






Collaborative International Dictionary of English 0.48








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"Vesicle" Quotes from Famous Books



... sack, pouch, wallet, reticule, knapsack, pocket, cul-de-sac, haversack, portmanteau, poke, scrip, satchel, suitcase, quiver, valise, sporran, gunny sack; udder; cyst, vesicle, ...
— Putnam's Word Book • Louis A. Flemming

... surrounded by the prostate gland. The secretion of this gland is conveyed into the urethra by numerous short ducts, known as the prostatic ducts. Behind the prostate, at the base or fundus of bladder, are the paired seminal vesicles. The duct of the seminal vesicle joins the vas deferens of the same side (both functionally and embryologically the seminal vesicle is no more than a diverticulum of the vas deferens); passing on under the name of the common seminal or ejaculatory duct, ...
— The Sexual Life of the Child • Albert Moll

... these differences from the above process: the contents of the male cell, represented by the pollen, are not differentiated into spermatozoids, and there is no actual contact between the contents of the pollen tube and the germinal vesicle, but according to Strashurger, there is a transference of the substance of the nucleus of the pollen cell to that of the germinal vesicle by osmose. The coalescence of the two nuclei within the substance of the germinal vesicle causes the latter to secrete a wall, and to form a new plant ...
— Scientific American Supplement, Vol. XXI., No. 531, March 6, 1886 • Various

... either side of a question. Attention is directed by Darwin to the more relevant fact that few persons feel any anxiety from the impossibility of determining at what precise period in the development of the individual, from the first trace of a minute germinal vesicle, man becomes an immortal being. He submits that there should be no greater cause for anxiety because the period cannot possibly be determined in ...
— Beacon Lights of History, Volume XIV • John Lord

... centrum of the atlas (p. 120). The formation of vertebral rudiments begins close behind the ear-labyrinth, but in front of this the chorda-sheath gives origin to a flat membranous plate which afterwards becomes cartilaginous. This plate reaches forward below the third cerebral vesicle as far as the infundibulum. The notochord ends in this plate, which is the basis cranii, just at the level of the ear-labyrinth. In no Vertebrate does the notochord extend farther forward (p. 122). The basis cranii gives off three trabeculae. The middle one is small ...
— Form and Function - A Contribution to the History of Animal Morphology • E. S. (Edward Stuart) Russell



Words linked to "Vesicle" :   Golgi apparatus, follicle, umbilical vesicle, dictyosome, liposome, bleb, tear sac, blister, Golgi body, sac



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