Definition of "epicuticle" []

• The outermost layer of cuticle of an arthropod exoskeleton, composed mostly of wax. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The Sec24CD dependent COPII vesicles, thus, carry cuticle components as diverse as for example the chitin synthase producing the bulk of the procuticle, factors of the extracellular melanisation pathway, and the yet unknown lipid-handling enzymes of the envelope and epicuticle."
• "The three histologically distinct layers, envelope (env), epicuticle (epi) and procuticle (pro) are established (B)."
• "The envelope (env) is the outermost layer, separated by the bipartite epicuticle (epi) from the innermost procuticle (pro)."