| mesokaryotic | <biology> Those organisms with a cellular organisation intermediate between prokaryotes and eukaryotes. (18 Nov 1997) |
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| mesole | <chemical> Same as Thomsonite. Origin: Gr. Middle. Source: Websters Dictionary (01 Mar 1998) |
| mesolepidoma | <tumour> A neoplasm derived from the persistent embryonic mesothelium. Origin: meso-+ G. Lepis, rind, + -oma, tumour (05 Mar 2000) |
| mesolite | <chemical> A zeolitic mineral, grayish white or yellowish, occuring in delicate groups of crystals, also fibrous massive. It is a hydrous silicate of alumina, lime, and soda. Origin: Meso-. Source: Websters Dictionary (01 Mar 1998) |
| mesolobus | An obsolete term for corpus callosum. Origin: meso-+ L. Lobus, lobe (05 Mar 2000) |
| mesologarithm | <mathematics> A logarithm of the cosine or cotangent. Origin: Meso- + logarithm: cf. F. Mesologarithme. Source: Websters Dictionary (01 Mar 1998) |
| mesolymphocyte | A mononuclear leukocyte of medium size, probably a lymphocyte, with a deeply staining nucleus of large size but relatively smaller than that in most lymphocytes. Origin: meso-+ lymphocyte (05 Mar 2000) |
| mesomelia | The condition of having abnormally short forearms and lower legs. Origin: meso-+ G. Melos, limb (05 Mar 2000) |
| mesomelic | Pertaining to the middle segment of a limb. (05 Mar 2000) |
| mesomelic dwarfism | Dwarfism with shortness of the forearms and lower legs. (05 Mar 2000) |
| mesomere | 1. A blastomere of a size intermediate between a macromere and a micromere. 2. The zone between an epimere and a hypomere. Origin: meso-+ G. Meros, part (05 Mar 2000) |
| mesomeric | Pertaining to mesomerism. (05 Mar 2000) |
| mesomerism | Displacement of electrons within a molecule in such a way as to create fractional charges on different parts of the molecule. (05 Mar 2000) |
| mesometanephric carcinoma | 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) |
| mesometric pregnancy | Ectopic pregnancy beginning as a tubal pregnancy, the amnotic sac being eventually formed by the mesometrium. (05 Mar 2000) |