Diurnal Rhythms in Retinal Pigment Movements in Freshwater crab, Barytelphusa jaquimontii
Journal Title: International Journal of Interdisciplinary and Multidisciplinary Studies (IJIMS) - Year 2014, Vol 2, Issue 2
Abstract
Daily Rhythms in Retinal pigment movements were observed in crab eyestalk. The crab B. jaquimontii acclimatized to laboratory conditions were considered. The three groups: natural photoperiod (6:18), a group kept in constant darkness (12:12) and a group kept at constant light (24L: OD) was studied for three days. After begin of experiment, the eyestalk were excised for every 4 hr interval, to determine the position of retinal pigments. The method adapted by Lazzari (1992) and Reisenman et al (1998) were used. By this experiment we could study the daily rhythms shown by rentinal pigments in crab, Barytelphusa jaquimontii.
Authors and Affiliations
Sudha Bansode, Meena Patil
Keywords
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