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Basal-cell epitheliomas and the pilosebaceous tract share a unique keratin, distinguishing them from other skin areas.

Trichocytic cytokeratins are found in hair, nails, tongue, and thymus cells, showing complex regulation in tissue development.

The outer layer of Merino wool is rich in sulfur proteins, making it resistant to damage.

Keratin fibrils in hair form and stop growing at specific points in the follicle.

Hyper-keratinisation in Meibomian glands contributes to gland dysfunction.

Older people's hair cuticles get more easily damaged and lose protective oils, especially in their 40s and 50s.

Understanding keratinization is crucial for treating skin conditions like ichthyoses and psoriasis.

Pubic hair has a thicker, more protective outer layer than scalp hair, possibly due to evolution.

A rare case of severe scalp hair loss and nail issues in keratosis follicularis was observed.

Disulfide bonds make keratin in hair stronger and tougher.

Researchers developed a method to grow skin-like tissue from hair cells.

Krt16-deficient mice help understand skin disorders like PC and FNEPPK.

Keratinous tissues have multiple structural layers, including ordered keratin and lipid granules.

Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.

The study created hair-bearing skin models that lack a key protein for skin layer attachment, limiting their use for certain skin disease research.

Human hair is complex and grows in cycles starting from embryonic life.

The epidermis is crucial for hair growth.

The cyst had unusual keratin spherules and resembled bone marrow.

The enzyme DHHC13 is essential for healthy hair and skin, and its deficiency leads to hair loss and skin problems.

Mutations in keratin genes cause cell fragility and various skin disorders.

The hair cuticle acts as a barrier against fungal infection, which occurs only deep within the hair follicle.

Epidermal cysts come from the skin, while pilar cysts come from hair follicles.

Antifungal treatment can improve severe skin infections with cutaneous horns.

Keratinocytes play a key role in skin health, but more research is needed.

Changes in keratin make hair follicles stiffer.

Monotreme and marsupial skin proteins show primitive features and species-specific differences compared to placental mammals.

Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.