exocuticle


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Related to exocuticle: Endocuticle

exocuticle

[¦ek·sō′kyüd·ə·kəl]
(invertebrate zoology)
The middle layer of the cuticle of insects.
References in periodicals archive ?
When applied topically, the acetone modifies the epicuticle facilitating the entrance of permethrin to the more polar exocuticle.
These cells apparently secrete the pharyngeal cuticular intima, consisting of three layers: the lamellate endocuticle, the exocuticle with trabeculae-bound spaces and the thin epicuticle lining the luminal surface.
Category 1 is the least severe erosion, with shallow lesions extending into the epicuticle and exocuticle.
anisopliae had enough space to grow laterally in the cuticle, assimilate the nutrients obtained from the cuticle degradation, and spread between the exocuticle and the endocuticle without being in direct contact with the hemocytic activity of the hemocoel.
2a): the epicuticle, the procuticle comprised of the exocuticle and endocuticle, and the innermost epidermis.
Several bundles of muscle (M) just above the exocuticle are evident from their strong acidophilia after staining with hematoxylin and eosin.
Loss of the epicuticle would expose the protein and chitin-rich exocuticle, consistent with significantly higher peptidase potentials in lesions versus HS and HL shell samples, as well as the loss of the protein/lipid matrix seen in scanning electron microscopy (Smolowitz et al.
Chitin is a stable sugar complex constituting the exocuticle, endocuticle, and membraneous layer in crustaceans.
Histologically, the lesions present as a degradation of the epicuticle and exocuticle.