postrictalとは 意味・読み方・使い方

形容詞

postrictal ‎(not comparable)

1. Behind the rictus (especially of an amphibian)
   • 2015 November 25, “Insights from Integrative Systematics Reveal Cryptic Diversity in Pristimantis Frogs (Anura: Craugastoridae) from the Upper Amazon Basin”, in PLOS ONE^[1], DOI:10.1371/journal.pone.0143392:

     Tympanic annulus and membrane not visible, covered by muscle beneath skin; lacking postrictal tubercles; choana small, rounded, not concealed by the palatal shelf of maxillary arc; dentigerous processes transverse, angled postero-medially and closely separated; bearing four small teeth, visible; tongue elliptical, posterior border not notched, not adherent to the floor of the mouth for about 40% of its length; vocal slits, vocal sac and nuptial excrescences absent.