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==Glands==
 
==Glands==
Almost no skin glands occur in snakes, but [[Cloaca|coacal]] scent glands (anal glands) are present.  They occur at the base of the tail, dorsal to the [[Hemipenes|hemipenes]] in a male, and open into the posterior margin of the cloaca. These organs play a role in defense resulting from their unpleasant odour, which may also carry social signals.  These may become enlarged, impacted, or abscessed in captivity.
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Almost no skin glands occur in snakes, but [[Cloaca|coacal]] scent glands (anal glands) are present.  They occur at the base of the tail, dorsal to the [[Hemipenes|hemipenes]] in a male, and open into the posterior margin of the cloaca. The unpleasant odour of these organs plays a defensive role and may also carry social signals.  These may become enlarged, impacted, or abscessed in captivity.
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==Skin adaptations and cutaneous appendages==
 
==Skin adaptations and cutaneous appendages==
 
*[[Snake Eye|Spectacles]] - are clear scales over the eyes of snakes.
 
*[[Snake Eye|Spectacles]] - are clear scales over the eyes of snakes.
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