In crustaceans, neuroendocrine centers are located in different structures of the nervous system. One of these structures, the X-organ-sinus gland complex of the eyestalk, produces several neuropeptides that belong to the ...

This study was carried out to investigate the non-parametric effect of white light on the activity rhythm of the postembryonic stages of crayfish and to elucidate the characteristics and development of its entrainment ...

The effect of neonatal unilateral restriction or increased olfactory stimulation upon the development of social play behavior in Wistar strain rats was investigated. Pups were unilaterally thermocauterized in one of the ...