integumental en · ADJ
Etymology
From integument + -al.
Meanings
-
(not-comparable) Of or pertaining to the integument.
Fire ants circumvented the problem of an ineffective sting by having an unusual and highly effective venom that when daubed or sprayed on other ants penetrates their waxy protective integumental barrier and kills or disables them.
2016, Justin O. Schmidt, The Sting of the Wild, Johns Hopkins University Press, →ISBN, page 102: