1 citations
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January 2007 in “中国科学通报:英文版” Women's hair has more sulfur, and black hair has more calcium than white hair.
January 2025 in “The Analyst” Calcium oxalate was found in human hair and could help detect certain health conditions.
February 2023 in “Mağallaẗ Tikrīt li-l-ʻulūm al-ṣirfaẗ/Tikrit journal of pure science” Horse skin has a layered epidermis, a dermis with hair follicles, sweat and sebaceous glands, and is supplied by small arteries.
Trichohyalin, a protein from pig tongue, was purified and found to have a filamentous structure.
Hair fibers degrade and change color in very basic water.
July 2016 in “Indian journal of science and technology” Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.
January 2015 in “Chinese Veterinary Science” Recognizing ultrastructures of cashmere goat hair follicles helps identify and locate follicle layers.
Otter rabbit, mink, and blue fox fur can be identified by their unique hair structures.
The 16th-century mummy's hair was well-preserved due to a calcium coating.
January 2001 in “Biomedical Research” THH and PAD type III appear together early in hair growth, but deiminated THH appears later, suggesting another factor is involved.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.
July 1993 in “Journal of Radioanalytical and Nuclear Chemistry” Mouse hair element patterns vary, making it unreliable for tracking time.
Hair germ cells differ from epidermal cells in keratin expression, and specific keratins form after hair differentiation.
May 1988 in “Journal of Forensic Sciences” A new method accurately determines hair blood type and can be used on dust samples.
January 1963 in “Stain technology” Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.
December 2025 in “Doğu Fen Bilimleri Dergisi” Vimentin, desmin, and laminin help maintain rat skin structure.
November 2024 in “Journal of Microscopy” Human hair varies in structure based on curl type, with high curl hair showing the most differences.
April 2012 in “Development” Rac1 is crucial for normal hair structure and pigmentation.
70 citations
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February 2007 in “Journal of Investigative Dermatology” K39 and K40 are the last keratins expressed in hair development, completing the hair keratin catalog.
68 citations
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May 1991 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Both cyproterone acetate and spironolactone effectively reduce hair growth in women with hirsutism.
56 citations
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August 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Different women's hair and skin glands respond to hormones in varied ways, which can cause unwanted hair growth even with normal hormone levels, and more research is needed to treat this effectively.
47 citations
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June 1996 in “International Journal of Legal Medicine” Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.
39 citations
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February 1990 in “The journal of cell biology/The Journal of cell biology” Trichohyalin, a hair follicle protein, has a part with repeating patterns of 23 amino acids.
3 citations
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December 1975 in “PubMed” ALP and ACP have different roles in dog skin, with ALP aiding growth and maintenance, and ACP involved in breakdown processes.
2 citations
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January 1997 in “Journal of Clinical Biochemistry and Nutrition” Biotin deficiency causes severe hair loss and weight reduction in germ-free mice.
1 citations
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July 2024 in “International Journal of Cosmetic Science” Infrared techniques reveal glycogen, unsaturated lipids, and calcium compounds in hair.
October 2024 in “Skin Research and Technology” Pili annulati causes zebra-striped hair but doesn't affect hair strength or quality of life.
January 1953 in “Nihon Chikusan Gakkaiho” Soaking calf skin in lime solution dissolves cells at different rates, with optimal dehairing after 4-7 days.
20 citations
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July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
17 citations
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June 2014 in “Journal of Ultrasound in Medicine” Abnormal cuticle and hair shaft medulla cause hair loss in androgenetic alopecia; sonography helps diagnose and manage it.