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reptile scale
Reptile skin is covered with ''scutes'' or ''scales'' which, along with many other characteristics, distinguish reptiles from animals of other classes. Scales are made of alpha and beta keratin and are formed from the epidermis (contrary to fish, in which the scales are formed from the dermis). They may be ossified or tubercular, as in the case of lizards, or modified elaborately, as in the case of snakes.〔Smith, Malcolm A. (1943), The Fauna of British India, Ceylon and Burma Vol I - Loricata, Testudines, pg 30.〕
==Lizard scales==
Lizard scales vary in form from tubercular to platelike, or imbricate (overlapping). These scales, which on the surface are composed of horny (keratinized) epidermis, may have bony plates underlying them; these plates are called ''osteoderms''. Lizard scales may differ strongly in form on different parts of the lizard and are often of use in taxonomically differentiating species.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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