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The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect hair structure.

The medulla in Asian scalp hair has a tubular structure that allows ions and large molecules to flow through it.

A rare, harmless hair condition was found in an infant's eyebrow, needing no treatment.

Hair proteins are complex and provide valuable genetic and biological information.

Genetic hair shaft abnormalities can be seen with microscopes and often affect scalp hair.

African hair is more fragile due to its unique shape and internal structure.

Yak hair stretches mainly due to macromolecules slipping past each other.

A gene deletion causes the "hairless" trait in Iffa Credo rats.

Hair grows when stem cell offspring in the follicle base proliferate, influenced by the dermal papilla.

Mouse high-glycine/tyrosine proteins have distinct patterns in hair follicles, peaking at specific hair cycle days.

Pigmented vellus and upright regrowing hairs predict hair regrowth in severe alopecia.

Most men's multi-hair follicles naturally stand perpendicular to a line from the top of their head, which is important for natural-looking hair transplants.

Cross-linked proteins help maintain the structure of hair, feathers, and hagfish teeth.

Chicken feather gene mutation helps understand human hair disorders.

Animal hair from 18th-century Mazamet burial sites shows locals used goat, badger, cow, or horse fur for clothing, indicating modest economic status.

Recognizing ultrastructures of cashmere goat hair follicles helps identify and locate follicle layers.

Dark hair with a red beard likely evolved for camouflage, not attraction.

Balding scalps slow down hair growth.

Researchers developed a new model for more realistic computer graphics of hair by considering how light scatters on hair fibers.

Older people's hair becomes less shiny because it gets more uneven and curved.

The study concluded that hair growth in mice is regulated by a stable interaction between skin cell types, and disrupting this can cause hair loss.

Secreted inhibitors of Wnt and IGF signaling control hair and tooth development, creating species-specific patterns.

Hair histology helps identify animal species in forensic investigations.

Pseudofolliculitis cutis causes painful skin bumps and needs proper shaving and treatments to manage.

Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.