pereonite
A segment of the pereon. (Syn. pereomere) [Brusca and Brusca, 2002].
Somite belonging to the pereon [Holdich and Jones, 1983].
Somite of pereon. (Syn. paraeonite, pereionite) [McLaughlin, 1980].
(Order Cumacea):
One of five segments (somites) of pereon (i.e., all thoracomeres except first three which are fused to cephalon) [Stachowitsch, 1992].
(Order Tanaidacea):
One of seven segments (somites) of pereon (i.e., all thoracomeres except first, which is fused to head) [Stachowitsch, 1992].
(Order Amphipoda):
One of up to seven segments (somites) of pereon (i.e., all thoracomeres except first and occasionally second, which are fused to cephalon) [Stachowitsch, 1992].
(Order Isopoda):
A segment of the pereon (=pereomere) [Wetzer et al. 1997].
(Order Isopoda):
One of typically seven segments of pereon (i.e., all thoracomeres except first ind occasionally second, which are fused to cephalon). Appendages of pereonites are termed pereopods. (Syn. pereiomere) [Stachowitsch, 1992].
(Order Isopoda):
Segment of the pereon [Kensley and Schotte, 1989].
(Order Thermosbaenacea):
One of seven segments (somites) of pereon (i.e., all thoracomeres except first, which is fused to cephalon) [Stachowitsch, 1992].

Crustacea glossary. . 2011.

Look at other dictionaries:

  • pereonite — n. [Gr. peraioun, to convey; ites, joined to] (ARTHROPODA: Crustacea) Somite of the pereon; peraeonite, pereionite …   Dictionary of invertebrate zoology

  • pereonite — pe·re·on·ite …   English syllables

  • pereonite — pəˈrēəˌnīt noun ( s) Etymology: pereon (variant of pereion) + ite (I) : any of the segments of a pereion …   Useful english dictionary

  • gonopore — External opening of the oviduct or vas deferens [Holdich and Jones, 1983]. Outlet for genital products, generally placed constantly in different crustaceans. (Syn. sexual pore) [Moore and McCormick, 1969]. Outlet for genital products. (Syn.… …   Crustacea glossary

  • oviduct — In females passageway from ovary to uterus and leading to genital aperture [Moore and McCormick, 1969]. Passageway from ovary to genital aperture [McLaughlin, 1980]. The duct connecting the posterior lobe of the ovary to the spermatheca [Ingle,… …   Crustacea glossary

  • genital cone — Conical structure situated on the ventral surface of pereonite 6 on to which the male gonopore opens [Holdich and Jones, 1983]. (Order Tanaidacea): In male repoductive system, cone shaped process on ventral surface (sternite) of last thoracic… …   Crustacea glossary

  • ovary — Female reproductive organ, producing ova [Butler, T.H.]. In free living copepod unpaired, parasitic copepod paired, expanded section of female reproductive system in which eggs are produced. Located dorsally, above midgut, near border of head and …   Crustacea glossary

  • penis — A papilla on the coxa of the fifth pereiopod or sternite of the male denoting the opening of the genital duct [Ingle, 1983]. Male copulatory organ. (May be exceptionally long in some cirripeds.) [Moore and McCormick, 1969]. Male copulatory organ; …   Crustacea glossary

  • pereionite — A segment of the pereon [Wilson, 1989]. See: pereonite [McLaughlin, 1980]. Thoracic somite. (Syn. pereonite) [Moore and McCormick, 1969] …   Crustacea glossary

  • peraeonite — see pereonite …   Dictionary of invertebrate zoology

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