Huxley's layer

Huxley's Layer is a part of the hair follicle structure, specifically within the inner root sheath of the hair follicle. It is named after the British biologist, Thomas Henry Huxley, who first identified and described it.

Structure

Huxley's Layer is located between the Henle's layer and the cuticle of the inner root sheath. It consists of two layers of cells that contain trichohyalin, a protein that contributes to the strength and flexibility of hair. These cells are flattened and filled with fibrous keratin and trichohyalin granules.

Function

The primary function of Huxley's Layer is to provide support and nourishment to the growing hair shaft. It also plays a crucial role in the process of keratinization, which is essential for the formation of hair.

Clinical Significance

Abnormalities in Huxley's Layer can lead to various hair disorders. For instance, a decrease in trichohyalin can result in fragile and easily breakable hair. Moreover, certain genetic conditions, such as Uncombable hair syndrome, are associated with mutations in the genes that encode the proteins found in Huxley's Layer.

See Also

• Hair follicle
• Inner root sheath
• Henle's layer
• Cuticle of the inner root sheath
• Trichohyalin
• Keratin
• Uncombable hair syndrome

References

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  Huxley's layer