meso-


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meso-

, mes- (mes'ō, mes),
1. Middle, mean, intermediacy.
2. A mesentery, mesentery-like structure.
3. A prefix denoting a compound, containing more than one chiral center, having an internal plane of symmetry; such compounds do not exhibit optical activity (for example, meso-cystine).
[G. mesos]

meso-

Anatomy
prefix
(1) Referring to mesenteric structures.
(2) Middle. (There is an increasing trend toward substitution of “mid-” for all anatomic structures labelled “meso-”.)
 
Chemistry
prefix
(1) Refers to the substitution of a bridging atom.
(2) Refers to the assymetry of isomeric forms of a compound (stereochemistry).

meso-

, mes-Combining forms meaning:
1. Middle, mean, intermediacy.
2. A mesentery.
3. A compound, containing more than one chiral center, having an internal plane of symmetry.

mes-

or

meso-

prefix denoting middle.

meso-

, mes-
1. Middle, mean, intermediacy.
2. A mesentery or mesentery like structure.
3. A compound, containing more than one chiral center, having an internal plane of symmetry.
References in periodicals archive ?
Meso- and metapleurae with a longitudinal row of tubercles ([male]) or blunt spines ([female]).
Meso- and metasternum and sternites II-VII of abdomen pale greyish brown with distinct white mottling.
Medioventral carina of meso- and metafemora obtuse and armed with 3-6 moderately sized spines (Fig.
Medioventral carina of meso- and metafemora spinose, medioventral carina of mesotibiae with four and that of metatibiae, armed with five prominent and acutely triangular teeth.
18) and dentate anteroventral carina of the meso- and metafemora of female (Fig.
Meso- and metasternum and pleurae pale creamish or greyish, abdominal sternites II-VII greyish brown with whitish mottling.
Meso- and metapleurae each with a longitudinal row of variously sized strong spines.
Medioventral carina of meso- and metafemora obtuse and armed with 3-6 prominent spines; medioventral carina of meso- and metatibiae strongly raised and armed with 2-5 (mesotibiae) or 3-6 (metatibiae) prominent, laterally compressed, triangular teeth.
present [C, WC and MWC]) and 'herbivores' (levels: herbivores absent [O and C], only mesoherbivores present [W and CW], and both meso- and mega-herbivores present [MW and MWC]) on relative vegetation cover.
Int'l symposium on Macro-, Meso-, Micro- and Nano-Mechanics of Materials (2003: Hong Kong) Ed.