Bihormonal control of oogenesis in the freshwater prawn, Macrobrachium kistnensis.
The hormonal control of oogenesis has been investigated in the freshwater prawn, Macrobrachium kistnensis. Experiments using bilateral eyestalk ablation and injection of eyestalk extract supported the presence of a gonad inhibiting factor in the eyestalk of female prawns. Injections of brain and thoracic ganglion extract in normal female prawns and in those subjected to bilateral eyestalk ablation revealed the presence of a gonad stimulating factor in the central nervous tissue.
D000818:Animals; D005260:Female; D005618:Fresh Water; D005724:Ganglia / Q000502:physiology; D007447:Invertebrate Hormones / Q000502:physiology*; D009866:Oogenesis / Q000187:drug effects; D010053:Ovary / Q000187:drug effects / Q000502:physiology; D033541:Palaemonidae / Q000502:physiology*; D012098:Reproduction / Q000187:drug effects; D014020:Tissue Extracts / Q000494:pharmacology
D007447:Invertebrate Hormones; D014020:Tissue Extracts