cuticle

As an adjective chitinous

is made of, pertaining to, or resembling chitin.

As a noun cuticle is

the outermost layer of the skin of vertebrates; the epidermis.

As nouns the difference between cuticle and follicle

is that cuticle is the outermost layer of the skin of vertebrates; the epidermis while follicle is (anatomy) a small cavity or sac, such as a hair follicle.

As nouns the difference between epithelium and cuticle

is that epithelium is a membranous tissue composed of one or more layers of cells which forms the covering of most internal and external surfaces of the body and its organs: internally including the lining of vessels and other small cavities, and externally being the skin while cuticle is the outermost layer of the skin of vertebrates; the epidermis.

As nouns the difference between cuticle and pellicle

is that cuticle is the outermost layer of the skin of vertebrates; the epidermis while pellicle is a thin skin or film.

As nouns the difference between epiderm and cuticle

is that epiderm is (anatomy) the epidermis while cuticle is the outermost layer of the skin of vertebrates; the epidermis.

As nouns the difference between exoskeleton and cuticle

is that exoskeleton is (anatomy) a hard outer structure that provides both structure and protection to creatures such as insects and crustacea while cuticle is the outermost layer of the skin of vertebrates; the epidermis.

As a noun cuticle is

the outermost layer of the skin of vertebrates; the epidermis.

As nouns the difference between cuticle and tegument

is that cuticle is the outermost layer of the skin of vertebrates; the epidermis while tegument is something which covers; a covering or coating.

As nouns the difference between cubicle and cuticle

is that cubicle is a small separate part or one of the compartments of a room while cuticle is the outermost layer of the skin of vertebrates; the epidermis.