| pm | pi meson |
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| meson | <anatomy> The mesial plane dividing the body of an animal into similar right and left halves. The line in which it meets the dorsal surface has been called the dorsimeson, and the corresponding ventral edge the ventrimeson. Origin: NL, fr. Gr. Middle, neut. Of, a, middle. Source: Websters Dictionary (01 Mar 1998) |
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| mesonasal | <anatomy> Of or pertaining to the middle portion of the nasal region. Source: Websters Dictionary (01 Mar 1998) |
| mesonephric | <anatomy> Of or pertaining to the mesonephros; as, the mesonephric, or Wolffian, duct. Source: Websters Dictionary (01 Mar 1998) |
| mesonephric adenocarcinoma | A rare tumour of the female genital tract, most often the ovary, formerly considered to be derived from mesonephric rests. Two varieties are recognised: (1) clear cell carcinoma, so called because of its histologic resemblance to renal cell carcinoma, and now considered to be of muellerian duct derivation and (2) an embryonal tumour (called also endodermal sinus tumour and yolk sac tumour), occurring chiefly in children. The latter variety may also arise in the testis. (12 Dec 1998) |
| mesonephric duct | A duct in the embryo draining the mesonephric tubules; in the male it becomes the ductus deferens; in the female it becomes vestigial. See: longitudinal duct of epoophoron. Synonym: ductus mesonephricus, wolffian duct. (05 Mar 2000) |
| mesonephric fold | A ridge which, in early human embryos, comprises the entire urogenital ridge; however, later in development a more medial genital ridge, the potential gonad, is demarcated from it. See: urogenital ridge. Synonym: mesonephric fold. (05 Mar 2000) |
| mesonephric rest | Remnants of the wolffian duct in the female genital tract that give rise to cysts; e.g., Gartner's cyst. Synonym: mesonephric rest. (05 Mar 2000) |
| mesonephric ridge | A ridge which, in early human embryos, comprises the entire urogenital ridge; however, later in development a more medial genital ridge, the potential gonad, is demarcated from it. See: urogenital ridge. Synonym: mesonephric fold. (05 Mar 2000) |
| mesonephric structures and their fates | <radiology> Male female Tubules Epididymis Mesosalpinx Efferent ductules of testes Ducts Vas deferens Complete involution Seminal vesicles Ejaculatory ducts (12 Dec 1998) |
| mesonephric tissue | Intermediate mesoderm situated in the thoracic and lumbar regions of the embryo or foetus; it evolves into the mesonephros and associated structures. (05 Mar 2000) |
| mesonephric tubule | An excretory tubule of the mesonephros. Synonym: segmental tubule. (05 Mar 2000) |
| mesonephroi | Plural of mesonephros. (05 Mar 2000) |
| mesonephroid tumour | A rare tumour of the female genital tract, most often the ovary, formerly considered to be derived from mesonephric rests. Two varieties are recognised: (1) clear cell carcinoma, so called because of its histologic resemblance to renal cell carcinoma, and now considered to be of muellerian duct derivation and (2) an embryonal tumour (called also endodermal sinus tumour and yolk sac tumour), occurring chiefly in children. The latter variety may also arise in the testis. (12 Dec 1998) |
| mesonephroma | A rare tumour of the female genital tract, most often the ovary, formerly considered to be derived from mesonephric rests. Two varieties are recognised: (1) clear cell carcinoma, so called because of its histologic resemblance to renal cell carcinoma, and now considered to be of muellerian duct derivation and (2) an embryonal tumour (called also endodermal sinus tumour and yolk sac tumour), occurring chiefly in children. The latter variety may also arise in the testis. (12 Dec 1998) |
| mesonephros | <anatomy> The middle one of the three pairs of embryonic renal organs developed in most vertebrates; the Wolffian body. Origin: NL, fr. Gr. Middle + kidney. Source: Websters Dictionary (01 Mar 1998) |
| los alamos meson physics facility | <radiobiology> Physics research facility at Los Alamos National Lab, major site for U.S. Muon-catalysed fusion research in the 1980s. May be shut down soon. (09 Oct 1997) |
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Synonyms : Mesonephromas
Synonyms : Body, Wolffian
Synonyms : Meson, Muon, Pion, mu Mesons, mu-Meson, pi Mesons, pi-Meson
| meson |
an elementary particle responsible for the forces in the atomic nucleus; a hadron with a baryon number of 0
Ãâó: wordnet.princeton.edu/perl/webwn
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| meson |
In particle physics, a meson is a strongly interacting boson, that is, it is a hadron with integral spin. In the Standard Model, mesons are composite (non-elementary) particles composed of an even number of quarks and antiquarks. Until the discovery of the tetraquark, all known mesons were believed to consist of a quark-antiquark pair - the so-called valence quarks - plus a "sea" of virtual quark-antiquark pairs and virtual gluons. ...
Ãâó: en.wikipedia.org/wiki/Meson
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| mesonephroma |
A rare type of tumor, usually of the female genital tract, in which the inside of the cells looks clear when viewed under a microscope. Also called clear cell carcinoma and clear cell adenocarcinoma.
Ãâó: www.stjude.org/glossary
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| mesonephric duct |
A tubule that forms by posterior extension of the pronephric duct and differentiates into the urinary and male reproductive tract: the Wolffian duct.
Ãâó: www.nature.com/nrg/journal/v4/n12/glossary/nrg1225...
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| mesonephros |
The second kidney that forms next to the pronephros posteriorly during embryogenesis. In mammals, this is a transient embryonic organ that subsequently degenerates but is thought to be functional. The urinary function is postnatally taken over by the metanephros.
Ãâó: www.nature.com/nrg/journal/v4/n12/glossary/nrg1225...
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| meson | an elementary particle responsible for the forces in the atomic nucleus |
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| meson | (physics) of or pertaining to a meson |
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