meso-, mes-
(Greek: middle, intermediate; used most often as a prefix)
brachymesophalangia
Abnormal shortness of the middle phalanges.
Mesoamerica
A cultural area roughly between central Mexico and Costa Rica, the location of several notable pre-Columbian civilizations.
mesoappendix
The piece of peritoneal tissue that connects the appendix to the ileum.
mesobenthos, mesobenthic
1. Those organisms inhabiting the sea-bed in the archibenthal zone, between 200 and 1 000 meters in depth.
2. The sea bottom at depths of 100-500 fathoms (180-900 meters).
mesobiota
Soil organisms of intermediate size, from about 40-50 mm in length to a size just visible with the aid of a hand lens (magnifier).
mesoblast, mesoblastic
The mesoderm, especially in the early states of embryos.
mesocardia
mesocardium
Epicardium covering the blood vessels which enter and leave the heart.
mesocarp
mesocephalic
mesoclimate
1. The climate of small areas of the earth's surface which may not be representative of the general climate of the district.
2. A climate characterized by moderate temperatures, that is, in the range of 20-30 degrees centigrade.
Also known as mesothermal climate.
mesoclimatology
The study of mesoclimates.
mesocosm
mesocracy
Government by, or from, the middle classes.
mesoderm
The third germ layer, lying between the ectoderm and the endoderm; which gives rise to the connective tissues, muscles, urogenital system, vascular system, and the epithelial lining of the coelom.
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