| metanephric diverticulum | An outgrowth from the caudal portion of the mesonephric duct on either side, which grows cephalodorsally to make contact with the masses of metanephrogenous tissue (nephric blastemas) that give rise to the epithelial lining of the ureter and of the pelvis and the collecting ducts of the kidney. (05 Mar 2000) |
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| metanephric duct | The slender tubular portion of the metanephric diverticulum; the primordium of the epithelial lining of the ureter. See: epoophoron, longitudinal duct of epoophoron. (05 Mar 2000) |
| metanephric tubule | An excretory unit of the metanephros or permanent kidney. (05 Mar 2000) |
| metanephrine | <chemical> Alpha-(methylaminomethyl)vanillyl alcohol. Product of epinephrine o-methylation. It is a commonly occurring, pharmacologically and physiologically inactive metabolite of epinephrine. Chemical name: Benzenemethanol, 4-hydroxy-3-methoxy-alpha-((methylamino)methyl)- (12 Dec 1998) |
| metanephritic | <anatomy> Of or pertaining to the metanephros. Source: Websters Dictionary (01 Mar 1998) |
| metanephrogenic | Applied to the more caudal part of the intermediate mesoderm which, under the inductive action of the metanephric diverticulum, has the potency to form metanephric tubules. Origin: meta-+ G. Nephros, kidney, + -gen, producing (05 Mar 2000) |
| metanephrogenic tissue | Tissue derived from the intermediate mesoderm caudal to mesonephric levels and concerned with the formation of the nephrons of the metanephros. (05 Mar 2000) |
| metanephros | <anatomy> The most posterior of the three pairs of embryonic renal organs developed in many vertebrates. Origin: NL, fr. Gr. Behind + kidney. Source: Websters Dictionary (01 Mar 1998) |
| metaneutrophil | Not staining true with neutral dyes. Origin: meta-+ L. Neuter, neither, + G. Philos, fond (05 Mar 2000) |
| metanil yellow | A monoazo acid dye, C18H14N3O3SNa, used as a cytoplasmic and connective tissue stain. (05 Mar 2000) |
| metanotum | <zoology> The dorsal portion of the metaphorax of insects. Origin: NL, fr. Gr. Behind + back. Source: Websters Dictionary (01 Mar 1998) |
| metantimonate | <chemistry> A salt of metantimonic acid. Source: Websters Dictionary (01 Mar 1998) |
| metantimonic | <chemistry> Pertaining to, or designating, an acid (formerly called antimonic acid) analogous to metaphosphoric acid, and obtained as a white amorphous insoluble substance, (HSbO3). Formerly, designating an acid, which is now properly called pyroantimonic acid, and analogous to pyrophosphoric acid. Origin: Pref. Met- + antimonic. Source: Websters Dictionary (01 Mar 1998) |
| metapectic | <chemistry> Pertaining to, or designating, a supposed acid obtained from pectin. Origin: Pref. Meta- + pectic. Source: Websters Dictionary (01 Mar 1998) |
| metapectin | <chemistry> A substance obtained from, and resembling, pectin, and occurring in overripe fruits. Source: Websters Dictionary (01 Mar 1998) |
| metabolism |
The sum of the processes by which a particular substance is handled (as by assimilation and incorporation, or by detoxification and excretion) in the living body.
출처: www.amfar.org/cgi-bin/iowa/bridge.html
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| metamorphosis |
[met-ah-MORE-fuh-sis] change in form during development.
출처: members.aol.com/YESedu/glossary.html
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| metafemale |
A fruit fly with an X chromosome:Autosome ratio greater than unity.
출처: helios.bto.ed.ac.uk/bto/glossary/lm.htm
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| metaphase plate |
The plane of the equator of the spindle into which chromosomes are positioned during metaphase.
출처: helios.bto.ed.ac.uk/bto/glossary/lm.htm
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| metaphase |
Phase of mitosis, or cell division, when the chromosomes align along the center of the cell. Because metaphase chromosomes are highly condensed, scientists use these chromosomes for gene mapping and identifying chromosomal aberrations.
출처: science.education.nih.gov/supplements/nih1/genetic...
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