| metameric | 1. <chemistry> Having the same elements united in the same proportion by weight, and with the same molecular weight, but possessing a different structure and different properties; as, methyl ether and ethyl alcohol are metameric compounds. See Isomeric. The existence of metameric compounds is due to the different arrangement of the same constituents in the molecule. 2. <biology> Of or pertaining to a metamere or its formation; as, metameric segmentation. Origin: Pref. Meta- + Gr. Part. Source: Websters Dictionary (01 Mar 1998) |
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| metameric nervous system | That part of the nervous system which innervates body structures developed in ontogeny from the segmentally arranged somites or, in the head region, branchial arches. The term implies reference to the neural mechanisms intrinsic to the spinal cord and brainstem (represented by the sensory nuclei, motoneuronal cell groups, and their associated interneurons in the reticular formation); by strict definition it should exclude the autonomic nervous system. (05 Mar 2000) |
| metameric |
having the body divided into successive metameres or segments, as in earthworms or lobsters
Ãâó: wordnet.princeton.edu/perl/webwn
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| metameric |
Composed of similar segments (metameres), as in the body plan of segmented animals such as arthropods, and in embryonic structures such as somites and rhombomeres of the hindbrain.
Ãâó: www.nature.com/nrg/journal/v3/n7/glossary/nrg843_g...
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| metameric |
characterized by serial repetition of segments.
Ãâó: www.palaeos.com/Vertebrates/Lists/Glossary/Glossar...
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| metameric c.’s |
colors that appear identical to the normal eye, but which are the resultants of different combinations of chromatic stimuli or wavelengths.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| metameric s. |
segmentary s.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| metameric | (zoology) having the body divided into successive metameres or segments, as in earthworms or lobsters |
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