3 citations
,
January 2004 in “Journal of Wildlife Diseases” A deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.
June 2020 in “Journal of Investigative Dermatology” Hair shaft malformation contributes to Central Centrifugal Cicatricial Alopecia.
December 2019 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Donkey and horse hair have different microscopic structures, which can help tell them apart.
November 2023 in “Journal of Dermatological Science” A new computer tool quickly measures hair thickness differences in people with common types of hair loss.
87 citations
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August 1974 in “Journal of Investigative Dermatology”
9 citations
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January 2010 in “Journal of the Korean Association of Oral and Maxillofacial Surgeons” Root apical papilla cells from wisdom teeth are best for bone therapies.
4 citations
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April 1989 in “The Journal of Dermatology” Trichohyalin granules help inner root sheath cells in hair follicles harden by integrating with keratin filaments.
11 citations
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January 1981 in “Cells Tissues Organs” Human hair cuticle has five cell layers with specific junctions and granules.
7 citations
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October 2012 in “Anais Brasileiros de Dermatologia” A patient had both white piedra and head lice, showing their differences.
July 2009 in “International Journal of Cosmetic Science” Japanese women's curved hair has an uneven internal structure and varied amino acid composition.
4 citations
,
January 1981 in “PubMed” Hair medullary cells in mammals vary in complexity, with humans having more structured cells similar to inner root sheath cells.
Nonlinear artificial neural networks are better at identifying different types of animal hair than linear ones.
24 citations
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March 2008 in “Neuroscience Research” Cat paws have complex touch sensors for detailed sensory processing.
22 citations
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June 2020 in “iScience” Sox21 is crucial for tooth development and enamel formation by preventing cells from changing into a different type.
5 citations
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January 2014 in “Journal of Cutaneous and Aesthetic Surgery” A woman had 13 non-cancerous cysts on her scalp successfully removed in one surgery.
1 citations
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September 2017 in “RGO - Revista Gaúcha de Odontologia” Tooth-derived stem cells show promise for regenerating gum tissue but need standardized selection methods.
208 citations
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November 2000 in “Development” Edar and Eda proteins are crucial for proper tooth development.
7 citations
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September 2006 in “Molecular Carcinogenesis” Homozygous K5Cre transgenic mice have wavy hair and faster cancer progression.
August 2024 in “Microscopy Research and Technique” The study identifies the pheromone gland's location and structure in Endoclita vietnamensis, aiding future pest control methods.
252 citations
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March 1998 in “Developmental dynamics” FGFs-4, -8, and -9 have overlapping roles and are repeatedly used in tooth development.
34 citations
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December 1984 in “Journal of Cutaneous Pathology” Monilethrix hair issues are due to problems in the hair's internodes.
April 2023 in “Dentistry” Baby teeth stem cells can potentially grow organs and treat diseases.
Curly wool has more orthocortex than straight wool.
2 citations
,
August 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” A specific mutation in the K25 gene causes a rare genetic disorder with curly hair at birth and later hair loss, along with dental issues.
January 2024 in “Diagnostic cytopathology” Trichilemmal carcinoma can spread to the parotid gland and be diagnosed using fine-needle aspiration cytology.
October 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” The Hair Cell Analysis Toolbox automates and improves the analysis of cochlear hair cells using machine learning.
10 citations
,
December 2020 in “Palaeogeography, palaeoclimatology, palaeoecology” Elephant tusks and hair reveal seasonal diet and climate changes.
December 2025 in “International Journal of Advanced Biochemistry Research” Malvi cattle hair varies in color and pattern across different body regions.
45 citations
,
February 2013 in “The Journal of Dermatology” Keratoacanthoma and some squamous cell carcinomas are linked to hair follicles, while others are not.
72 citations
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December 2018 in “Journal of Experimental Zoology Part B Molecular and Developmental Evolution” Corneous beta-proteins evolved uniquely in reptiles and birds, forming scales, claws, beaks, and feathers.