genital segment
(Order Anostraca):
Collective term for first and second abdominal somites. More or less fused and bearing penes in male and ovisac in female. (Syn. genital somite) [Stachowitsch, 1992].

Crustacea glossary. . 2011.

Look at other dictionaries:

  • GÉNITAL (APPAREIL) — Dans le règne animal, et spécialement chez les Métazoaires, la présence d’un appareil génital est liée à la reproduction sexuée. À l’opposé de la reproduction asexuée, où un seul individu engendre des copies de lui même à peu près exactes, jamais …   Encyclopédie Universelle

  • genital somite — (Subclass Copepoda): Segment of body bearing gonopores. Typically corresponds to first abdominal segment, yet also to fused last thoracic and first abdominal somites. May be enlarged in parasitic female. (Syn. genital complex) [Stachowitsch,… …   Crustacea glossary

  • genital appendage — (Class Cephalocarida): One of two reduced appendages on first abdominal somite (= ninth postcephalic segment). Ovisac of female is attached to genital appendage [Stachowitsch, 1992] …   Crustacea glossary

  • genital flap — (Class Remipedia): Small cuticular flap on base (protopod) of each limb of 14th trunk segment or at each end of sternal bar of 14th trunk segment; serves to cover male gonopore or facilitate copulation [Stachowitsch, 1992] …   Crustacea glossary

  • genital lobe — (ARTHROPODA: Insecta) In Odonata genitalia, a lobe of the postero lateral angles of the second abdominal segment …   Dictionary of invertebrate zoology

  • genital opening — 1. (ARTHROPODA: Chelicerata) a. In Acari, originally a transverse slit or trifid orifice associated with segment eight. b. In many actinotrochid Acari, it is found in the progenital chamber where it is named the eugenital opening. 2. (MOLLUSCA:… …   Dictionary of invertebrate zoology

  • genital segments — 1. Body segments that bear copulatory organs. 2. (ANNELIDA) Usually segments X and XI. 3. (ARTHROPODA: Insecta) In males, abdominal segment IX; in females, abdominal segments VIII and IX …   Dictionary of invertebrate zoology

  • 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

  • scorpion — scorpionic /skawr pee on ik/, adj. /skawr pee euhn/, n. 1. any of numerous arachnids of the order Scorpionida, widely distributed in warmer parts of the world, having a long, narrow, segmented tail that terminates in a venomous sting. 2. the… …   Universalium

  • sternite — ( ) [Baba, 2005]. Sternal plastron, based on Munida. [Baba, 2005] A calcified plate on the ventral side of a segment between the bases of the appendages. [Warner, 1977] A segment of the ventral wall of the thorax [Ingle, 1983]. One of five… …   Crustacea glossary

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