释义 |
meso-
meso-(word root) middleExamples of words with the root meso-: mesomorphicmeso- or mes-pref.1. In the middle; middle: mesoderm.2. Intermediate: mesophyte. [Greek, from mesos, middle; see medhyo- in Indo-European roots.]meso- or before a vowel mes-combining formmiddle or intermediate: mesomorph. [from Greek mesos middle]meso- a combining form meaning “middle”: mesoderm. Also, esp. before a vowel, mes-. [comb. form representing Greek mésos middle, in the middle; akin to Latin medius; see mid1] meso-
meso-[′me·zō] (chemistry) A prefix meaning intermediate or middle, as in denoting inactive optical isomers, the form of intermediate inorganic acid, the middle position in cyclic organic compounds, or a ring system with middle ring positions. meso-
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. |