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Low-dose acitretin helps nail psoriasis, stem cells may treat scarring alopecia, Chinese men have lower baldness rates, lateral foldplasty is good for ingrown toenails, hair diameter helps diagnose female baldness, childhood trauma linked to alopecia areata, certain hair-weaving leads to scalp conditions in African American women, and new methods for hair research and understanding hair and sweat gland development were introduced.

Dermatological conditions are complex and treatments often have mixed results.

Capitate trichomes have more endoplasmic reticulum and vacuoles, while peltate trichomes have more plastids and larger subcuticular spaces.

Spiny mice have a unique skin structure that helps them heal and regenerate quickly.

Spiny keratoderma may be ectopic hair formation on palms and soles.

Malassezia fungi in healthy noses can form a "spaghetti-and-meatballs" structure.

A new enzyme, BSSP, is found in high amounts in the hair follicles of nude mice.

Trichostasis spinulosa is a rare skin condition with hair-filled plugs in hair follicles.

Trichostasis spinulosa mainly affects the nose, with many tiny hairs in one follicle, possibly influenced by hormones and sunlight.

S100A3 protein is mainly found in specific parts of human hair cells.

Spiny keratoderma is a rare skin condition with small spines on palms and soles, possibly linked to abnormal hair formation.

Spiny mice can regenerate tissues instead of forming scars.

The glassy layer of hair follicles has different fibril sizes and arrangements in guinea pigs and young mice.

Sulphur in hair follicles increases from the bulb and then levels off, while other elements vary in distribution.

Tarantula feet likely have chemoreceptors, not silk-producing parts.

The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.

Substance P may play a role in the inflammation seen in keratosis follicularis spinulosa decalvans.

Actin filaments help stabilize and reshape cell membranes.

Mummy hair from the Taklamakan desert has calcium and phosphorus inside.

Trichocyte filaments have a low-density core and may include proteins for hair structure.

The study found that certain genes are important for hedgehog skin appendage development and immunity, with spines possibly evolving for protection and infection resistance.

Small white dots on the scalp seen with a dermoscope correspond to sweat ducts and vary with different hair disorders.

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

MCSP may help identify and regulate skin stem cells, affecting hair growth and regeneration.

Two siblings had a rare hair condition with banded hair, which doesn't need treatment.

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

COX2 and ATP synthase control the size of hedgehog spines.

The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.

Fibroblast spheres can form stem cells, but marker distribution needs more study.

The big-clawed shrew's sinus hair follicles are highly specialized for sensing vibrations.