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Meibomian glands are highly specialized and differ significantly from other sebaceous glands in structure and function.

The guide explains how to study human and mouse sebaceous glands using various staining and imaging techniques, and emphasizes the need for standardized assessment methods.

Hair health is influenced by genetics, aging, and environmental factors, with proper care needed to maintain it.

The document suggests that the traditional understanding of hair growth cycles and alopecia may be inaccurate and that blood supply plays a significant role in hair growth and loss.

The skin systems of jawed vertebrates evolved diverse appendages like hair and scales from a common structure over 420 million years ago.

Loss of Fz6 disrupts hair follicle and associated structures' orientation.

Rabbits lacking the Hoxc13 gene show similar hair and skin issues to humans with ECTD-9, making them good for research on this condition.

Hair follicles evolved from oil glands, with hair aiding secretion transport.

Blocking DGAT1 reduces oil gland size in mice and dogs, but only mice experience hair loss.

Skin's epithelial stem cells are crucial for repair and maintenance, and understanding them could improve treatments for skin problems.

Sweat gland development involves two unique skin cell programs and a temporary skin environment.

Autophagy helps mouse glands stay healthy, prevents early aging, and maintains their oil and scent production.

CYP2B12 enzyme in skin cells converts arachidonic acid into specific bioactive lipids.

Hair follicles on the scalp interact with and respond to the nervous system, influencing their own behavior and growth.

Gene network oscillations inside hair stem cells are key for hair growth regulation and could help treat hair loss.

Hair follicles are essential for skin health, aiding in hair growth, wound healing, and immune function.

The "Punch Assay" can regenerate hair follicles efficiently in mice and has potential for human hair regeneration.

The document concludes that there is no agreed-upon best method for measuring drug delivery within hair follicles and more research is needed to validate current techniques.

Stress can worsen skin conditions by affecting hormone levels and immune response.

Autophagy prevents early aging and maintains lipid and pheromone balance in mouse glands.

Autophagy helps delay aging in mouse glands, maintains fat balance, and controls scent production.

NIPP1 is important for healthy skin and could help treat skin inflammation.

Short-chain fatty acids from *Cutibacterium acnes* cause skin inflammation, contributing to acne.

Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.

The model suggests that scalp tension could lead to hair loss, with factors like blood vessel hardening, enlarged oil glands, and poor microcirculation also playing a role. It also hints at a possible link between skull shape and baldness pattern.

Hair follicles may soon be used more for targeted and systemic drug delivery.

Oral itraconazole effectively reaches and treats deep skin layers in guinea pigs.

Deleting the Far2 gene in mice causes sebaceous gland issues and patchy hair loss.

Hair in mammals likely evolved from glandular structures, not scales.

Mouse amnion can turn into skin and hair follicles with help from certain cells and factors.