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hair shaft
Identify the portion of the hair indicated by the arrow.

hair shaft
Identify the portion of the hair indicated by the arrow.

hair root
Identify the portion of the hair indicated by the arrow.

hair cortex
Identify the layer of the hair indicated by the arrow.

hair cortex
Identify the layer of the hair indicated by the arrow.

hair medulla
Identify the innermost region of the hair

hair bulb
Identify the structure at the base of the hair

hair matrix
Identify the region of cells

dermal papilla
Identify the projection

epithelial root sheath
Identify the structure

piloerector muscle
Identify the muscle

sebaceous gland
Identify the gland

apocrine sweat gland
Identify the gland

hair receptors
Identify the sensory receptors
