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Showing 1 to 2 of 2 for “"Nuchal glands"”.
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An Ultrastructural Survey of the Nuchal Glands of <i>Rhabdophis tigrinus</i> (Serpentes: Colubridae)
… snake, possesses a series of integumentary glands located in the nuchal skin. Previous studies indicated that the nuchal glands are of mesodermal origin, contain cardiac steroids analogous to bufotoxins found in the parotoid glands of toads, which are included in the snake's diet. The nuchal …
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Chemical Evidence for Dietary Toxin Sequestration in the Asian Snake <i>Rhabdophis tigrinus</i>
… Asia that possesses defensive integumentary glands on the neck known as nuchal glands. These glands are used in antipredator displays and typically contain bufadienolide toxins. Whereas toads are known to synthesize bufadienolide steroids from cholesterol precursors, we found that chemically …