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Salamanders in the family Plethodontidae exhibit a unique tail‐straddle walk during courtship that can include the use of sexually dimorphic mental and caudal courtship glands. This study presents novel histological and fine structure data on mental glands and caudal courtship glands in Plethodon mississippi, Desmognathus conanti and Eurycea quadridigitata using both light microscopy and scanning...
Mental glands are sexually dimorphic glands found in the skin of the submandibular region in males of many species in the salamander family Plethodontidae. These glands have been demonstrated to secrete pheromones that increase female receptivity to courtship and mating. A number of studies exist on the morphology of mental glands at the light microscopy level, but ultrastructural studies on the glands...
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