Bleb

Bleb

: "For the protrusion of cell membrane present during apoptosis and cell motility, please see Bleb (cell biology)."In medicine, bleb is a large blister (usually approximately hemispherical) filled with serous fluid. Blebs can form in a number of tissues due to different pathologies, including frostbitten tissues, and as a cause of spontaneous pneumothorax. In the lungs, a bleb is a collection of air within the layers of the visceral pleura. In ophthalmology, blebs may be formed intentionally in the treatment of glaucoma.

In geology, mineralogy, petrology, and related geochemical sciences, bleb is a noun or descriptive term meaning the inclusion of a mineral within a larger mineral that is bubble-like. Commonly used for small inclusions, such as ones tens of micrometres in size. An example usage in the literature is a bleb of sylvite in chlorite.

ee also

*Blue rubber bleb nevus syndrome
*Glaucoma valve

External links

*Medical definition of bleb on [http://www.medterms.com/script/main/art.asp?articlekey=2480 MedicineNet.com]
* [http://www.blebs.net/html/Protocol.html Moorfields Bleb Grading System]

References

*Sunil JS. 2005. [http://www.ijo.in/article.asp?issn=0301-4738;year=2005;volume=53;issue=3;spage=196;epage=198;aulast=Jain Inadvertent filtering bleb following sutureless cataract surgery] . "Indian Journal of Ophthalmology", 53(3): 196-198
*Kamenetsky VS et al. Chloride and carbonate immiscible liquids at the closure of the kimberlite magma evolution (Udachnaya-East kimberlite, Siberia) "Chemical Geology", Volume 237, Issues 3-4, 5 March 2007, Pages 384-400


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  • Bleb — Bleb, n. [Prov. E. bleb, bleib, blob, bubble, blister. This word belongs to the root of blub, blubber, blabber, and perh. blow to puff.] A large vesicle or bulla, usually containing a serous fluid; a blister; a bubble, as in water, glass, etc.… …   The Collaborative International Dictionary of English

  • bleb — bleb; bleb·bing; bleb·by; …   English syllables

  • bleb — [bleb] n. [echoic: to represent the sound produced in forming a bubble with the lips] 1. a small swelling under the skin; a blister or vesicle 2. an air bubble, as in water or glass blebby adj …   English World dictionary

  • bleb — (n.) c.1600, blister or swelling, imitative. Also used for bubble (1640s), protuberance on a cell surface (1962) …   Etymology dictionary

  • bleb|by — «BLEHB ee», adjective. full of blebs …   Useful english dictionary

  • Bleb — A bladder like structure more than 5 mm in diameter with thin walls that may be full of fluid. Also called a bulla. * * * 1. A large flaccid vesicle. 2. An acquired lung cyst, usually less than 1 cm in diameter, similar to but smaller than a… …   Medical dictionary

  • bleb — noun Etymology: perhaps alteration of blob Date: 1607 1. a small blister 2. bubble; also a small particle 3. something resembling a bleb; especially a vesicular …   New Collegiate Dictionary

  • bleb — blebby, adj. /bleb/, n. 1. Med. a blister or vesicle. 2. a bubble. [1600 10; akin to BLOB, BLUBBER] * * * …   Universalium

  • bleb — n. a blister or large vesicle. A filtering bleb is a blister like cyst underneath the conjunctiva resulting from trabeculectomy, a surgical procedure commonly used in the treatment of glaucoma …   The new mediacal dictionary

  • bleb — [[t]blɛb[/t]] n. 1) med a blister or vesicle 2) a bubble • Etymology: 1600–10 bleb′by, adj …   From formal English to slang

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