progenital chamber


progenital chamber
(ARTHROPODA: Chelicerata)
In Acari, the chamber between the primary and secondary genital opening of Acariformes.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • progenital lips — (ARTHROPODA: Chelicerata) In Acari, paired symmetrical valves that close the progenital chamber of many Acariformes …   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 tracheae — (ARTHROPODA: Chelicerata) In Acari, tracheae from the progenital chamber resembling gland ducts and often ending in caecae; the respiratory function is not proven …   Dictionary of invertebrate zoology


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