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Article
Photoreceptor development in the pineal organ and the eye of Plecoglossus altivelis and Paralichthys olivaceus (Teleostei)
The ontogenetic apperance of pineal photo-receptors was compared with that of retinal photoreceptors in the ayu Plecoglossus altivelis and the lefteye flounder Paralichthys olivaceus, which hatched 10 days and 3 ...
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Article
Thresholds of retinal and extraretinal photoreceptors measured by photobehavioral response in catfish,Silurus asotus
Light thresholds of retinal and extraretinal photoreceptors in catfish were examined by the photobehavioral response using a method in which reflex body movements are recorded. Thresholds were determined in si...
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Article
Blood sugar and adrenal histology of the goldfish after treatment with mammalian adrenocorticotrophic hormone
Intraperitoneal injection of mammalian adrenocorticotrophic hormone at 2 IU and 4 IU per day for seven days was followed by hyperglycemia and adrenal growth in goldfish. Normal blood sugar values, at 16°–20°C,...