11 citations
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July 1991 in “Veterinary Pathology” A dog had a rare skin condition linked to gland and pituitary issues.
26 citations
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December 1990 in “Journal of Biological Chemistry” Two specific genes are more active during hair growth in mice.
1 citations
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February 1991 in “Journal of Biological Chemistry” 24 citations
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July 1994 in “Journal of Investigative Dermatology” 36 citations
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August 2022 in “Frontiers in Cell and Developmental Biology” Sebaceous glands age due to genetic and environmental factors, affecting sebum production and composition.
291 citations
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October 2005 in “Proceedings of the National Academy of Sciences of the United States of America” Adult stem cells from rat whisker follicles can regenerate hair follicles and sebaceous glands.
8 citations
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March 2009 in “Differentiation” Adult vibrissa follicle stem cells can regenerate hair follicles, glands, and skin.
December 2025 in “The Journal of Basic and Applied Zoology” Red Sokoto goat fetuses develop firmer, pigmented skin with hair follicles as they grow.
January 2025 in “Mansoura Medical Journal” Age and androgen levels significantly affect meibomian gland structure and function.
249 citations
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May 2003 in “Developmental Biology” Ectodysplasin-A1 is crucial for developing hair, teeth, and glands.
19 citations
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March 1998 in “Endocrinology” Male rats have more somatostatin neurons than females due to testosterone converting to estrogen during early development.
January 1962 in “Archives of Dermatology” A 5-year-old girl has lipoid proteinosis, causing voice issues, hair thinning, skin lesions, and tongue movement problems.
20 citations
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February 2010 in “Journal of Investigative Dermatology” Slug (Snai2) helps regulate hair growth timing in mice.
4 citations
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May 1981 in “Australian Journal of Biological Sciences” Rat hair follicle cells can produce and release various glycosaminoglycans over time.
14 citations
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July 2015 in “Journal of Cosmetic Dermatology” Sebaceous glands in male pattern hair loss patients have more lobules and might cause early hair growth phase shifts.
42 citations
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August 2008 in “Stem Cells and Development” Hair follicle cells can help regenerate teeth.
37 citations
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April 2013 in “PLoS ONE” Thymosin Beta 4 helps human dental pulp cells develop into tooth-forming cells, suggesting it could aid dental regeneration.
13 citations
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December 1983 in “Canadian journal of zoology” Heterotypic cell contacts likely help hair matrix cells differentiate during mouse hair follicle development.
5 citations
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January 1985 in “Annals of Nutrition and Metabolism” Methionine intake changes tooth germ development in newborn rats.
17 citations
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August 2014 in “The Anatomical Record” Scaffoldin helps form hard skin structures in chicken embryos.
January 1992 in “Proceedings of the New Zealand Society of Animal Production” Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.
8 citations
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February 1968 in “Australian Journal of Zoology” The southern elephant seal's skin layer helps waterproof the skin by being tightly connected to hair shafts.
1 citations
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January 2012 in “International journal of trichology” Sheep hair follicle cells can grow a lot but need the dermal papilla to do so.
3 citations
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June 1979 in “The Journal of Dermatology” Glycosaminoglycan levels peak early in hair growth and decrease as the cycle progresses.
73 citations
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January 2016 in “International review of cell and molecular biology” Cornification evolved from keratinization in vertebrates, with differences between mammals and sauropsids.
28 citations
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May 2000 in “Proceedings of the National Academy of Sciences” The Walleye dermal sarcoma virus cyclin causes excessive skin cell growth in mice.
1 citations
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April 1936 in “Journal of Experimental Biology” Hanson's thymus extract sped up growth and development in mice over generations.
26 citations
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August 2007 in “Annals of Anatomy - Anatomischer Anzeiger” Feathers become harder as they develop due to a change in keratin type.
15 citations
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January 1981 in “Neonatology” Amino acid levels in milk increase with protein and align with key growth stages in Macropus eugenii.
4 citations
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January 1981 in “PubMed” Hair medullary cells in mammals vary in complexity, with humans having more structured cells similar to inner root sheath cells.