24 citations
,
November 1978 in “Biochemistry” α-type filaments in guinea pig hair follicles have unique structural features.
November 2025 in “Skin Health and Disease” Autosomal recessive woolly hair is rare and involves tightly coiled hair without other health issues.
January 1963 in “Stain technology” Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.
January 2012 in “Zhongguo shouyi xuebao” Sheep breeds show different keratin gene expression in the groin, linked to hair follicle density.
8 citations
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August 2017 in “Skin appendage disorders” Red dots on the upper chest may be an early sign of certain types of hair loss.
March 2026 in “International Journal of Advanced Biochemistry Research” German shepherd hair varies in color and pattern but is flat with a consistent internal structure.
10 citations
,
January 2014 in “Genetics and Molecular Research” Liaoning Cashmere goat hair follicles show synchronized growth patterns with lowest activity in May.
5 citations
,
July 1999 in “Journal of Anatomy” Methylene blue staining effectively reveals detailed nerve structures in rat snouts.
30 citations
,
April 2017 in “Journal of structural biology” Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.
15 citations
,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
March 2018 in “Journal of Experimental Biology” Hair curliness is caused by the arrangement and length of two different cell types.
14 citations
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January 1998 in “Dermatology” Polythelia pilosa is a type of extra breast tissue with hair and should be classified as such.
27 citations
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July 1994 in “Human Pathology” Understanding chaos and control mechanisms in disease can improve diagnosis and prediction in medicine.
January 2011 in “Maofang ke-ji” Rabbit hair research improved its use in textiles and new applications.
1 citations
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June 2023 in “Journal of applied crystallography” The technique showed that human hair has two main parts, with 68% being rigid and the rest flexible, and water swelling affects its structure.
July 2024 in “Journal of Investigative Dermatology” Cell movements and forces shape feather growth in chicken skin.
February 2026 in “Veterinary Dermatology” Coat-type differences in Pomeranians affect Alopecia X diagnosis and treatment.
158 citations
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February 2000 in “Archives of dermatology” Some people with pattern hair loss may also have scalp inflammation and scarring similar to lichen planopilaris.
42 citations
,
January 2017 in “Genes” The gene KAP22-1 affects wool yield and fiber shape in sheep.
1 citations
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August 1992 in “Proceedings annual meeting Electron Microscopy Society of America” Mammoth hair from different ages shows distinct surface textures and elemental compositions.
March 2021 in “CRC Press eBooks” The document concludes that different patterns of hair thickness and scalp changes can help diagnose types of non-scarring hair loss.
January 2020 in “International journal of agriculture & biology/International journal of agriculture and biology” Wool traits in sheep are controlled by many genes and environmental factors.
1 citations
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September 2023 in “Animals” A new goat gene affects cashmere fiber thickness; certain variations can make the fibers coarser.
Black hair's diversity in patterns and textures is influenced by follicle shape and keratin, and it holds cultural, artistic, and mathematical significance.
Variant G of the KRTAP20-1 gene improves wool curliness in Chinese Tan sheep.
2 citations
,
March 2010 in “European journal of dermatology/EJD. European journal of dermatology” A young Caucasian girl had both woolly hair and alopecia areata, which is rare.
4 citations
,
September 2020 in “Journal of Cutaneous Pathology” Tan sheep's unique fur traits are determined during the embryonic stage by specific genes.
1 citations
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April 2025 in “Animals” The KRTAP13-3 gene affects wool fibre diameter variability in Chinese Tan sheep.