{{redirect|Prenasal|the phonetic meaning|Prenasalized consonant}} {{redirect|Postnasal|the phonetic meaning|Nasal release|the cause of cough|Post-nasal drip}} [[Image:AB126_Nasal_scales.JPG|thumb|right|300px|Prenasal and postnasal scales]] In reptiles, the '''nasal scale''' refers to the scale that encloses the [[nostril]].<ref name="Mal03">[[species:David Mallow|Mallow D]], [[species:David Ludwig|Ludwig D]], [[species:Göran Nilson|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}}.</ref>

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'''.<ref name="W&W57">[[Albert Hazen Wright|Wright AH]], [[species:Anna Allen Wright|Wright AA]] (1957). ''Handbook of Snakes of the United States and Canada''. Ithaca and London: Comstock Publishing Associates, a Division of Cornell University Press. (7th printing, 1985). 1,105 pp. {{ISBN|0-8014-0463-0}}.</ref>

'''Supranasal scales''' are located above the nasal scale.<ref name="Mal03"/>

==See also== * [[Snake scales]] * [[Anatomical terms of location]] * [[Nasal (disambiguation)]]

==References== {{Reflist}}

[[Category:Snake scales]]