Close-up view of dental glands in mouth of ringed caecilian (IMAGE)

Utah State University

Close-up view of dental glands in mouth of ringed caecilian

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A magnified image of the mouth of a ringed caecilian, Siphonops annulatus, reveals snake-like dental glands. Researchers from Brazil's Butantan Institute and Utah State University say the glands could indicate an early evolutionary design of oral venom organs.

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Butantan Institute, Brazil

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