In reptiles, the nasal scale refers to the scale that encloses the nostril.[1]

Thumb
Prenasal and postnasal scales

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.[2]

Supranasal scales are located above the nasal scale.[1]

See also

References

Wikiwand in your browser!

Seamless Wikipedia browsing. On steroids.

Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.

Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.