Outer root sheath

The outer root sheath of the hair follicle encloses the inner root sheath and hair shaft.^[1] It is continuous with the basal layer of the interfollicular epidermis (skin).

References

↑ James, William; Berger, Timothy; Elston, Dirk (2005) Andrews' Diseases of the Skin: Clinical Dermatology (10th ed.). Saunders. Page 8. ISBN 0-7216-2921-0.

Skin and related structures

Skin

Epidermis	Stratum corneum Stratum lucidum Stratum granulosum Stratum spinosum Stratum basale

Basement membrane	Basal keratinocyte Lamina lucida Lamina densa

Dermis	Papillary Dermal papillae Reticular

Root sheath	Outer root sheath Inner root sheath Henle's layer Huxley's layer

Hair shaft	Cuticle Cortex Medulla Bulb with matrix cells Hair follicle

Muscle	Arrector pili muscle

Pilosebaceous unit	Hair sebaceous gland

Nail

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