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A woman with low thyroid function did not lose her hair during chemotherapy, possibly because her hair follicles were less affected by the treatment.

Hair loss occurs due to fewer papillary cells, smaller follicles, and shorter growth phases.

Balding scalps slow down hair growth.

More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.

Hair transplantation and micrografting, used for baldness, involve moving hair follicles from hair-rich to bald areas, requiring careful procedure and post-care for success.

Minoxidil and platelet-rich plasma can help turn thin hair into thicker hair in male pattern baldness.

Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.

Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.

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

Lanceolate complexes in mouse hair follicles are essential for touch and depend on specific cells for maintenance and regeneration.

Blue light promotes hair growth by interacting with specific receptors in hair follicles.

Hair follicles are valuable for regenerative medicine and wound healing.

Alopecia areata causes hair loss due to an immune attack on hair follicles, influenced by genetics and environment.

Organs like hair follicles can renew themselves in complex ways, adapting to different needs and environments.

PGF_2α receptors in human eyelids are found in specific parts of hair follicles, explaining eyelash changes with glaucoma treatment.

Baldness might be caused by scalp weight pressing on hair follicles.

Patients with systemic lupus erythematosus and hair loss had non-scarring alopecia with fewer hair follicles, and direct immunofluorescence did not help identify lupus.

The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.

Yellow dots and short vellus hairs are key signs for diagnosing alopecia areata using trichoscopy.

Transplanting melanocyte stem cells from hair follicles can effectively treat vitiligo.

Topical minoxidil effectively stimulates hair growth in men with hair loss.

400 nm particles penetrate hair follicles best, but mouse models aren't fully reliable for human studies.

Dermoscopy is useful for tracking alopecia areata treatment, with yellow dots and new vellus hairs being good indicators of hair regrowth.

Sebaceous glands play a key role in skin health and conditions like acne.

Alopecia areata is a common autoimmune condition causing varying hair loss, diagnosed by specific patterns of inflammation around hair follicles, with several treatment options available.

Patients with SLE experienced non-scarring hair loss with fewer hair follicles, and DIF did not help identify lupus.

Patients with systemic lupus erythematosus and hair loss had fewer hair follicles and non-scarring alopecia; direct immunofluorescence was not helpful in diagnosing lupus in these cases.

AGA patients have fewer hairs and smaller follicles; T:V ratio above 4:1 may indicate AGA.

Filler injections can cause temporary hair loss, but hyaluronidase can help restore hair within a few months.