- progenital chamber
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(ARTHROPODA: Chelicerata)In Acari, the chamber between the primary and secondary genital opening of Acariformes.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
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