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The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.

Mutations in TBX3 cause horses to have more even hair color instead of Dun camouflage.

Indian bison, black buck, and nilgai have distinct hair follicle patterns useful for species identification.

The document concludes that MGRN1 affects mouse fur color by interfering with a receptor's signaling, but its full role in the body is still unknown.

Vitiligo causes white skin patches, often starts before age 20, and is linked to other health issues.

Some people with lichen planus pigmentosus might later develop frontal fibrosing alopecia.

Tiny infundibular cysts are the main lesions in chloracne, not comedones.

Tigers had a skin condition causing hair loss and inflammation, but the cause is unknown and treatment didn't work.

Tanning ability is linked to specific DNA changes in skin genes.

A 32-year-old man with early graying hair shows a unique pattern, suggesting more research is needed on why hair grays early.

The authors agree more research with proper control groups is needed to understand hair loss.

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

Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.

Zebrafish help understand genetic causes of skin pigment disorders like albinism.

Vitamin B12 deficiency can cause facial dark spots that go away with treatment.

Human anagen hair follicles have unique carbohydrate patterns during keratinization.

Micropigmentation is a safe procedure that effectively improves the appearance of scars on the scalp and eyebrows, with most patients showing excellent or good results.

Matrical tumors share a common growth mechanism involving the Wnt pathway and consistent PHLDA1 expression.

A new pair of mouse keratins, 65 kD and 48 kD, are found in specific skin areas and are linked to a unique skin differentiation type.

Dermoscopic and histopathological features combined can help diagnose Pityriasis versicolor.

Skin diseases look different on pigmented and nonpigmented skin.

A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.

The study suggests fibrosing alopecia in a pattern distribution has distinct features and may vary by race.

Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.

The Doberman had multiple skin tumors, but it's unclear if color dilution increased the risk.

Applying a specific inhibitor lightens skin and hair color.

BMP signaling affects hair color by interacting with the MC-1R pathway.

SASH1 gene mutations are linked to various inherited skin pigmentation disorders.