endocuticle


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Related to endocuticle: Exocuticle

endocuticle

[¦en·dō′kyüd·i·kəl]
(invertebrate zoology)
The inner, elastic layer of an insect cuticle.
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Silver staining of the gills and ultrastructural localization of silver grains in the epicuticle, endocuticle, and apical region of the epithelial cells suggest that the gill epithelium of D.
Examination of the ultrastructure of the infected cuticle at 2 days postinoculation, showed that the fungus initially penetrated across the exocuticle and then developed between the layers of the endocuticle (Fig.
The endocuticle was composed of chitin "galleries" interconnected with transverse chitin filaments.
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.
The endocuticle exhibits melanization, especially in the vertical areas of bacterial incursion.
Chitin is a stable sugar complex constituting the exocuticle, endocuticle, and membraneous layer in crustaceans.
Endothelium and endocuticle damage do not appear until advanced stages of the disease, leading Comeau and Benhalima (2009) to conclude that lesions and internal pathologies were both signs of the same disease process, rather than a scenario of a secondary invasion of bacteria through the carapace causing a systemic infection.
As lesions progress, they may erode through the calcified and uncalcified endocuticle, ultimately causing ulceration by destroying the underlying cuticular epithelium (Smolowitz et al.
The composition of the calcite inner exocuticle and endocuticle layers were studied in greater detail using 12 quantitative transects of lobster intermolt cuticle using the SX-50 electron microprobe.
exocuticle and endocuticle layers to the overall thickness (all analyzed as 1-way ANOVAs respective to separate body locations), and the stacking height of the bouligand layers (Raabe et al.
In addition to providing a strong physical barrier to infection through the combination of an outermost wax layer covering the epicuticle followed by a calcified endocuticle composed of chitin and an organic matrix (Aiken & Waddy 1980, Neville 1975), lobster shells demonstrate a series of dynamic immune responses to bacterial infection.
The layers internal to the exocuticle consists of the calcified endocuticle, uncalcified endocuticle and finally the membranous layer.