unpaired receptacles
Non-invaginated, opening either through an exposed median longitudinal slit flanked by lateral plates of sternite XIV, or openinng anterior to single plate. See: seminal receptacles [Perez Farfante and Kensley, 1997].

Crustacea glossary. . 2011.

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  • seminal receptacles — Sacs for storage of spermatophores or sperm, usually on sternite of thoracic somite 7 (sometimes spermathecae), associated with thelycum in Dendrobranchiata [Poore, 2004]. Unpaired or paired bulbous or tubular sacs associated with the thelycum… …   Crustacea glossary

  • reproductive system, animal — Introduction       any of the organ systems by which animals reproduce.       The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… …   Universalium

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