epicuticle


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Related to epicuticle: Procuticle

epicuticle

(ĕp′ĭ-kyo͞o′tĭ-kəl)
n.
The outermost layer of cuticle of an arthropod exoskeleton, composed mostly of wax.
References in periodicals archive ?
When applied topically, the acetone modifies the epicuticle facilitating the entrance of permethrin to the more polar exocuticle.
The thin cell membrane layer, also referred to as the epicuticle, consists of a protein matrix and a lipid layer which strongly contribute to the hydrophobicity and lubricity of virgin hair (Lodge 2006).
[5] Pedrini, N., Crespo, R., and Juarez, M.P., 2007, "Biochemistry of insect epicuticle degradation by entomopathogenic fungi," Comp.
The fracture part has a large fiber-chip and tear where the matrix of the elytra epicuticle broke along the crack direction but did not completely separate.
After landing on the host, the conidia started to penetrate the epicuticle by forming an appressorium (stage 1).
An arthropod completely covered in an almost impermeable epicuticle wax layer would have the great advantage of losing very little water through transpiration, but it would be unable to breathe because the oxygen molecule is larger than the water molecule.
Insect cuticle is a composite material consisting of a thin lipid-protein-rich epicuticle covering the bulky procuticle.
Kaolin is an aluminum silicate, nonabrasive dust that when activated by acid and heat treatments has a high specific surface that absorbs the wax in the epicuticle of insect pests of stored grains (EBELING, 1971).
Their epicuticle contains a wax layer, which prevents water movement through the cuticle.
Produced by the underlying epidermal cells, the cuticle is composed of four layers (from outer to inner): epicuticle, exocuticle, endocuticle, and membranous layer (Travis and Friberg, 1963b; Raz et al., 2002).
A new technique for examining the exomorphology of the scorpion epicuticle is described that utilizes the fluorescent property of scorpion cuticle.