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Exoskeleton, foregut, hindgut, trachea
Parts that the cuticle covers
Cuticle
Protects against environment
Seals in moisture with wax layer
Made of a polysaccaride (a carbohydrate, chitin)
Epicuticle
The thin outer layer of cuticle
Exocuticle
Outer, melanized (darkened) and sclerotized (hardened) portion of cuticle
Endocuticle
Soft, transparent, flexible portion of cuticle
Epidermis
The ectodermal cell layer of the integument which is one cell thick and secretes the cuticle. Contains living cells called epidermal cells
Trichogen cell
Epidermal cell that generates a seta (sclerotized hair-like projection)
Dermal gland
Unicellular epidermal glands which secrete eax, setae, pheromones, silk, etc
Epicuticle
A?
Exocuticle
B?
Endocuticle
C?
Epidermis
D?
Bristle
E?
Duct of Dermal Gland
F?
Trichogen Cell
G?
Epidermal Cells
H?
Dermal Gland
I?