Snake anatomy

sensory organ in snakes for heat sensing

gland found in some snakes named for French zoologist Georges Louis Duvernoy

thumb|The shedded skin of an Indian rat snake Snakeskin may either refer to the skin of a live snake, the shed skin of a snake after molting, or to a type of leather that is made from the hide of a dead snake. Snakeskin and scales can have varying patterns and color formations, providing protection via camouflage from predators. The colors and iridescence in these scales are largely determined by the types and amount of chromatophores located in the dermis of the snake skin. The snake's skin and scales are also an important feature to their locomotion, providing protection and minimizing frict

modified reptilian appendages

skeleton of a snake

deep depression in either side of the head in crotaline snakes