gnathothorax

gnathothorax
Cephalothorax with all appendages of fused thoracic somites modified as maxillipeds [McLaughlin, 1980].
Tagma resulting from fusion of gnathal somites (mandibular, two maxillary) with one or more thoracic somites, limbs of which are modified to act as mouth parts. See: cephalothorax [Moore and McCormick, 1969].

Crustacea glossary. . 2011.

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  • gnathothorax — n. [Gr. gnathos, jaw; thorax, breast] (ARTHROPODA: Crustacea) Having the first, sometimes also the second, thoracic somites fused with the cephalon; the cephalon and pereon …   Dictionary of invertebrate zoology

  • gnathothorax — gnatho·thorax …   English syllables

  • gnathothorax — “+ noun Etymology: gnath + thorax : the thorax and the part of the head bearing the feeding organs of an arthropod regarded as one of the primary body regions compare protocephalon …   Useful english dictionary

  • gnathothoracic — |nāthō, |nathō+ adjective Etymology: from gnathothorax, after English thorax: thoracic : of, relating to, or constituting a gnathothorax …   Useful english dictionary

  • pseudorostrum — Anterior portion of gnathothorax in Cumacea, formed by pair of anterolateral parts of cephalic shield grown forward so as to meet medially in front of true rostrum [Moore and McCormick, 1969]. (Order Cumacea): Anterior part of carapace formed by… …   Crustacea glossary

  • protocephalon — |prōd.(ˌ)ō+ noun (plural protocephala) Etymology: New Latin, from prot + cephalon 1. : the part of an insect embryo that consists of the prostomium and the first postoral somite 2. : the primitive arthropod head correspon …   Useful english dictionary

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