| macroscopy | <microscopy> The interpretive use of the eye, generally aided by a hand lens up to 10 or 20X in magnification. (05 Aug 1998) |
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| macrosigmoid | Enlargement or dilation of the sigmoid colon. Synonym: megasigmoid. (05 Mar 2000) |
| macrosis | Increase in length or volume. Origin: G. (05 Mar 2000) |
| macrosmatic | Denoting an abnormally keen olfactory sense. Origin: macro-+ G. Osme, smell (05 Mar 2000) |
| macrosomia | Overly large body. A child with macrosomia has significant overgrowth. (12 Dec 1998) |
| macrosplanchnic | Having abnormally large viscera. Synonym: macrosplanchnic. Origin: megalo-+ G. Splanchnon, viscus (05 Mar 2000) |
| macrosporangium | <botany> A sporangium or conceptacle containing only large spores; opposed to microsporangium. Both are found in the genera Selaginella, Isoctes, and Marsilia, plants remotely allied to ferns. Origin: NL. See Macro-, and Sporangium. Source: Websters Dictionary (01 Mar 1998) |
| macrospore | <botany> One of the specially large spores of certain flowerless plants, as Selaginella, etc. Origin: Macro- + spore. Source: Websters Dictionary (01 Mar 1998) |
| macrosporic | <botany> Of or pertaining to macrospores. Source: Websters Dictionary (01 Mar 1998) |
| macrostate | <chemistry> A time-average of many microstates, this is a state of the system that can actually be observed. (09 Jan 1998) |
| macrostereognosis | An error of perception in which objects appear larger than they are. Origin: macro-+ G. Stereos, solid, + gnosis, recognition (05 Mar 2000) |
| macrostomia | Greatly exaggerated width of the mouth, resulting from failure of union of the maxillary and mandibular processes, with extension of the oral orifice toward the ear. The defect may be unilateral or bilateral. (12 Dec 1998) |
| macrotetralide synthase | <enzyme> From streptomyces chrysomallus subsp. Macrotetralidi; has both esterase and hydrolase activities Registry number: EC 3.1.1.- (26 Jun 1999) |
| macrotetrolide synthase | <enzyme> Catalyses the formation of cyclic polyester antibiotic (macrotetrolides) from nactinic acids; from actinomycete mycelium Registry number: EC 6.1.- (26 Jun 1999) |
| macrotia | Congenital excessive enlargement of the auricle, particularly the pinna. Origin: macro-+ G. Ous, ear (05 Mar 2000) |