Vesicles
In dermatology, vesicles are small blisters, most often on the skin. Vesicles also can crop up on the mucous membranes, such as the buccal mucosa (the lining of the mouth). In anatomy, a vesicle is any small pouch. The word vesicle comes from the Latin diminutive vesiculum meaning a small bag or bladder.

Medical dictionary. 2011.

Look at other dictionaries:

  • vesicles — ves·i·cle || vesɪkl n. bladder or bladder like cavity; small blister filled with fluid; sac in the body, cyst (especially one filled with fluid); cavity formed in a rock by a pocket of gas that is trapped during the rock s formation (Geology) …   English contemporary dictionary

  • Optic vesicles — Infobox Embryology Name = PAGENAME Latin = v. ophthalmica GraySubject = 224 GrayPage = 1001 Caption = Transverse section of head of chick embryo of forty eight hours’ incubation. (Optic vesicle labeled at lower right.) Caption2 = Human embryo… …   Wikipedia

  • agranular vesicles — Synaptic vesicles that do not have a granular appearance in EM; 40 50nm in diameter, with membrane only 4 5nm thick. Characteristic of peripheral cholinergic synapses; (see also neurotransmitter). Some are located very close to presynaptic… …   Dictionary of molecular biology

  • Seminal vesicles — Two structures about five centimeters long that are located behind the bladder and above the prostate gland. The seminal vesicles contribute fluid to the ejaculate …   Medical dictionary

  • brain vesicles secondary — the five brain vesicles formed by specialization of the prosencephalon (telencephalon and diencephalon), mesencephalon, and rhombencephalon (metencephalon and myelencephalon) in later embryonic development …   Medical dictionary

  • cephalic vesicles — cerebral vesicles brain v s …   Medical dictionary

  • metanephric vesicles — comma and S shaped vesicles that arise from the mesenchyme of the metanephros and develop into metanephric nephrons …   Medical dictionary

  • synaptic vesicles — small membrane bound structures behind a presynaptic membrane, containing neurotransmitters; when depolarization occurs they fuse with the presynaptic membrane and release the neurotransmitter into the synaptic cleft. Diagram of synaptic vesicles …   Medical dictionary

  • coated vesicles — coated vesicles, Organellen des Membranrecycling, die bei der rezeptorvermittelten ⇒ Endocytose extrazelluläres Material in die Zelle transportieren, in der Zelle synthetisiertes Material transportieren und z.B. an Golgi und ER Membranen… …   Deutsch wörterbuch der biologie

  • cerebral vesicles — cerebral vesicles, the three primitive, hollow dilations into which the embryonic brain of vertebrates is divided …   Useful english dictionary

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