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Osmetrichia have been defined as hairs specialized in the storage of secretions used in olfactory communication between conspecifics (Müller-Schwarze, et al. 1977). These authors found highly specialized osmetrichia in the tarsal gland tufts of black-tailed but not white-tailed deer. Chemical communication appears to be well developed in grey brocket deer:(More)
Calcium is considered the most important second messenger at fertilization. Transient release from intracellular stores is modulated through both agonist-gated channels, IP₃Rs and RyRs, which can be found individually or together depending on the oocyte species. Using the four commonly used compounds (thimerosal, caffeine, heparin and ruthenium red), we(More)
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