How do the fangs of elapids like tiger snakes and cobras differ structurally from those of vipers?

Answer

They have short, fixed front fangs for direct injection.

Snakes in the Elapidae family are characterized by having relatively short, fixed front fangs that deliver venom through a direct injection, contrasting with the hinged fangs found in vipers.

How do the fangs of elapids like tiger snakes and cobras differ structurally from those of vipers?
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