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In reptiles, the nasal scale refers to the scale that encloses the nostril.〔Mallow D, Ludwig D, Nilson G. 2003. True Vipers: Natural History and Toxinology of Old World Vipers. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.〕 Sometimes this scale is paired (divided). In such cases, the anterior half is referred to as the prenasal and the posterior half is referred to as the postnasal.〔Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0.〕 Supranasal scales are located above the nasal scale.〔 ==See also== * Snake scales * Anatomical terms of location * Nasal (disambiguation page) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「nasal scale」の詳細全文を読む スポンサード リンク
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