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Stem cell behavior varies with stimuli, and lineage changes can happen without affecting stem cell division.

New techniques in hair restoration surgery can lead to better hair alignment.

Two cases of hairy elbows syndrome were described, with normal skin texture and symmetrical hair growth.

Mouse zigzag hair bends form due to a 3-day cycle of changes in hair progenitors and their environment.

Certain skin cells near the base of hair muscles may help renew and stabilize skin, possibly affecting skin disorder understanding.

Canine claws have complex structures with different keratin types, similar to hair and nails.

Curly hair shape is due to uneven growth patterns in the hair follicle.

Different parts of the nail express different keratins, showing unique patterns of differentiation.

Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.

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

The Celsr1 gene is crucial for normal hair patterning in mice.

The document explains how to identify different hair problems using a microscope.

Hoxc13 is important for hair and tongue development by controlling hair keratin genes.

The patient with EEC syndrome had scarring alopecia due to deep folliculitis, possibly linked to abnormal hair structure.

The onychodermis helps anchor the nail bed and may aid in nail formation.

Human nails and hair follicles have similar gene activity, especially in the cells that contribute to their growth and development.

Skin's uneven surface and hair follicles affect its stress and strain but don't change its overall strength, and help prevent the skin from peeling apart.

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

Cystatin M/E helps in the final stages of hair and nail formation by controlling certain enzymes.

Stem cells in mouse nails are found in the nail matrix and may control nail growth.

Corkscrew hairs can help diagnose trichotillomania.

Calcium signals and SHH guide the direction of feather growth in chicken skin.

Hair shaft changes may be linked to CCCA, but their role is unclear.

Mouse nails are similar to human nails, making them useful for studying nail diseases.

The method shows how hair lipids form specific patterns and their roles in hair structure.

The Foxn1 gene is essential for normal nail and hair development.

Nails are essential for fingertip regeneration.

Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.