40 citations
,
April 1999 in “Journal of Histochemistry & Cytochemistry” S100A3 protein is mainly found in specific parts of human hair cells.
16 citations
,
October 1992 in “Journal of cutaneous pathology” Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
4 citations
,
January 2018 in “Microscopy research” Scientists found markers called CD34 and CD200 that help identify stem cells in mouse and human hair follicles.
1 citations
,
January 2007 in “AIP conference proceedings” High-resolution x-ray images showed three main structures in human hair: medulla, cortex, and cuticle.
2 citations
,
December 2001 in “PubMed”
24 citations
,
September 2002 in “Dermatologic Surgery” The study found that hair follicles are above muscle connections in the scalp, which may help protect stem cell areas.
46 citations
,
April 2009 in “Journal of Dermatological Case Reports” Researchers established normal hair and scalp characteristics for healthy women using trichoscopy.
12 citations
,
January 2010 in “Hair transplant forum international” The survival rates of hair grafts are similar regardless of how they are trimmed.
7 citations
,
January 2016 in “Methods in molecular biology” Mouse hair follicle stem cells were successfully isolated and used to regenerate hair follicles with two different methods.
3 citations
,
July 2024 in “Dermatology and Therapy” Hair shaft abnormalities can help distinguish mycosis fungoides from other skin conditions.
42 citations
,
December 1990 in “The Journal of Dermatologic Surgery and Oncology” The study found that horizontal sections of scalp biopsies are better for analyzing hair loss, showing fewer hairs and more fine hairs in balding areas.
143 citations
,
October 1988 in “Clinics in Dermatology” The understanding of male-pattern baldness remains unclear.
May 2006 in “Dermatologic Surgery” Most nonbald men's multi-hair follicles are naturally positioned perpendicular to a line from the scalp's crown, which is important for natural-looking hair transplants.
December 2004 in “The World Journal of Men s Health” Finasteride is more effective for treating hemospermia related to prostatitis.
April 2025 in “Journal of Bioscience and Bioengineering” Centrifugal forces can help prepare hair follicle germs for hair regeneration.
February 2026 in “Applied Biosciences” The study found potential new DNA patterns in fertility genes, but further testing is needed.
5 citations
,
July 2005 in “British journal of dermatology/British journal of dermatology, Supplement” A man grew hair on his penis, which is not common, and needed surgery to remove it.
4 citations
,
July 2020 in “Journal of proteomics” Hair protein composition is similar across different races and shapes.
1 citations
,
July 2021 in “Current Issues in Molecular Biology” Father's finasteride use may affect son's fertility and testicular function.
8 citations
,
October 2011 in “Anthropologischer Anzeiger” Pubic hair is thicker than axillary and scalp hair, useful for forensic identification.
23 citations
,
December 1977 in “Virchows Archiv B Cell Pathology” Rat hair follicle bulge cells can become nerve and glial cells, showing potential for neuroprotection.
24 citations
,
January 2011 in “International Journal of Trichology” Light microscopy is useful for diagnosing different hair disorders.
1 citations
,
January 1971 in “Acta dermato-venereologica” Mice hair follicles take in the amino acid cystine.
17 citations
,
February 1987 in “Journal of the American Academy of Dermatology” The hair cuticle acts as a barrier against fungal infection, which occurs only deep within the hair follicle.
19 citations
,
July 2011 in “Microscopy and Microanalysis” The hair follicle bulge is an important area for adult stem cells involved in hair growth and repair, with potential for medical use needing more research.
January 2014 in “theses.fr (ABES)” Androgens regulate Sertoli cells and affect fertility through specific receptors and coregulators.
15 citations
,
September 2014 in “JAMA Dermatology”
July 2007 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” The BASP classification is a detailed system for categorizing hair loss in both men and women, but it may be complex for beginners and not fully suitable for grading female hair loss.