Hair casts (also known as "Pseudonits") represent remnants of the

inner root sheath The inner root sheath or internal root sheath of the hair follicle is located between the outer root sheath The outer root sheath or external root sheath of the hair follicle encloses the inner root sheath and hair shaft.James, William; Berger, Ti ...

, and often occur in great numbers and may mimic

nits The National Institutes of Technology (NITs) are the central government-owned-public technical institutes under the ownership of Ministry of Education, Government of India. They are governed by the National Institutes of Technology, Science ...

in the

scalp The scalp is the anatomical area bordered by the human face at the front, and by the neck at the sides and back. Structure The scalp is usually described as having five layers, which can conveniently be remembered as a mnemonic: * S: The ski ...

.James, William; Berger, Timothy; Elston, Dirk (2005). ''Andrews' Diseases of the Skin: Clinical Dermatology''. (10th ed.). Saunders. .

References

{{skin-appendage-stub Conditions of the skin appendages Hair diseases Human hair

See also

References