- gnathal segments
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(ARTHROPODA: Insecta)The gnathocephalon.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
gnathal segments
Look at other dictionaries:
gnathal region — См. gnathal segments … Dictionary of invertebrate zoology
gnathocephalon — n. [Gr. gnathos, jaw; kephale, head] (ARTHROPODA: Insecta) That part of the head formed by the gnathal segments and the procephalic lobes … Dictionary of invertebrate zoology
maxilla — Appendage next behind maxillule serving functions in feeding and respiration. (Syn. second maxilla) [Moore and McCormick, 1969]. One of a pair of two sets gnathal appendages situated immediately posteroventral to mandibles [Hobbs and Jass, 1988] … Crustacea glossary
maxilliped — Anterior thoracic limb (one, two, or three) modified to act as mouth part, its body segment usually fused to cephalon [Moore and McCormick, 1969]. One of a pair of three sets of appendages lying immediately posterior to the maxilla [Hobbs, Hobbs … Crustacea glossary
palp — n.; pl. pi [L. palpus, feeler] 1. (ANNELIDA) adj. In Oligochaeta, one of a pair of elongate projections on the anal segment. b. In Polychaeta, one of a pair of projections on the sides of the head. 2. (ARTHROPODA: Chelicerata) a. In Arachnida,… … Dictionary of invertebrate zoology
epistome — A broad strongly calcified plate in front of, and above, the mouth. It represents the fused sternites of the third and fourth segments [Warner, 1977]. A transverse plate situated anterior to the mouth [Hobbs, Hobbs, and Daniel 1977]. Antennal… … Crustacea glossary
