polysome | <cell biology> Functional unit of protein synthesis consisting of several ribosomes attached along the length of a single molecule of mRNA. Origin: Gr. Soma = body (18 Nov 1997) |
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polysomes | A multiribosomal structure representing a linear array of ribosomes held together by messenger RNA (RNA, messenger). They represent the active complexes in cellular protein synthesis and are able to incorporate amino acids into polypeptides both in vivo and in vitro. (12 Dec 1998) |
polysomia | Foetal malformation involving two or more imperfect and partially fused bodies. Origin: poly-+ G. Soma, body (05 Mar 2000) |
polysomic | Pertaining to or characterised by polysomy. (05 Mar 2000) |
polysomnogram | The recorded physiologic function(s) obtained in polysomnography. Origin: poly-+ L. Somnus, sleep, + G. Gramma, diagram (05 Mar 2000) |
polysomnography | Simultaneous and continuous monitoring of relevant normal and abnormal physiological activity during sleep. (12 Dec 1998) |
polysomy | Situation in which all chromosomes are present and some are present in greater than the diploid number, for example: trisomy 21. (18 Nov 1997) |
polysorbate 80 | Polyoxethylene (20) sorbitan monooleate;a mixture of polyoxethylene ethers of mixed partial oleic esters of sorbitol anhydrides; used as an emulsifier, as in the preparation of pharmacologic products. (05 Mar 2000) |
polysorbates | <chemical> Sorbitan mono-9-octadecanoate poly(oxy-1,2-ethanediyl) derivatives; complex mixtures of polyoxyethylene ethers used as emulsifiers or dispersing agents in pharmaceuticals. Pharmacological action: excipient, surface-active agent. (12 Dec 1998) |
polyspast | <surgery> A machine consisting of many pulleys; specifically, an apparatus formerly used for reducing luxations. Origin: L. Polyspaston, fr. Gr, fr. Drawn by several cords; many + to draw: cf. F. Polyspaste. Source: Websters Dictionary (01 Mar 1998) |
polyspermia | Polyspermism Synonym: polyspermy. 2. An abnormally profuse spermatic secretion. (05 Mar 2000) |
polyspermous | <botany> Containing many seeds; as, a polyspermous capsule or berry. Origin: Gr.; many + seed. Source: Websters Dictionary (01 Mar 1998) |
polyspermy | Penetration of more than one spermatozoon into an ovum at time of fertilization. Occurs as normal event in very yolky eggs (e.g. Bird), but then only one sperm fuses with egg nucleus. Many other eggs have mechanisms to block polyspermy. (18 Nov 1997) |
Polysphondylium | <botany> A genus of Acrasidae, the cellular slime moulds. (18 Nov 1997) |
polysplenia | A condition in which splenic tissue is divided into nearly equal masses or totally absent; congenital heart disease and lung symmetry are common. The condition may be related to situs inversus. Most cases are sporadic. See: bilateral left-sidedness. Origin: poly-+ G. Splen, spleen (05 Mar 2000) |
Synonyms :
Synonyms : Polystyrol, Polystyrene, Polystyrols
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polysaccharide |
A type of carbohydrate. It contains sugar molecules that are linked together chemically.
Ãâó: www.stjude.org/glossary
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polysaccharide |
a complex carbohydrate composed of three or more simple carbohydrate molecules joined together
Ãâó: www.american-depot.com/services/resources_gl_p.asp
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polysaccharide |
a molecule made up of many simple sugars.
Ãâó: library.thinkquest.org/13799/html/glossary.html
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polysome |
A functional unit of protein synthesis that consists of several ribosomes that are attached along the length of a single molecule of mRNA.
Ãâó: www.nature.com/nrg/journal/v5/n7/glossary/nrg1379_...
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polysome |
Multiple ribosomes actively translating a single mRNA into polypeptides.
Ãâó: www.genpromag.com/Glossary~LETTER~P.html
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polys | North American fern whose more or less evergreen leathery fronds are covered with pale brown chafflike scales |
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polys | evergreen European fern widely cultivated |
polys | North American fern |
polys | European shield fern cultivated in many varieties |
polys | a polymer of styrene |
polys | (of words) long and ponderous |
polys | having or characterized by words of more than three syllables |
polys | a word of more than three syllables |
polys | in a polysyllabic manner |
polys | a word of more than three syllables |
polys | using several conjunctions in close succession, especially where some might be omitted (as in `he ran and jumped and laughed for joy') |
polys | forming derivative or compound words by putting together constituents each of which expresses a single definite meaning |
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