January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.
April 2023 in “Veterinary world/Veterinary World” Six types of bugs were found on goats in Bulgaria, with Linognathus stenopsis being the most common.
58 citations
,
June 2000 in “The Journal of Steroid Biochemistry and Molecular Biology” Different types of androgens bind differently to two receptors, AR1 and AR2, in Atlantic croaker's brain and ovarian tissues, suggesting these receptors may control different androgen actions in fish.
160 citations
,
January 2014 in “Seminars in cell & developmental biology” Early development of hair, teeth, and glands involves specific signaling pathways and cellular interactions.
38 citations
,
November 2018 in “Scientific Reports” Bird scales evolved from feathers, not reptile scales.
6 citations
,
January 2013 in “Case reports in endocrinology” The document concludes that AFA should be considered in patients with acromegaly-like features but normal hormone levels, and more cases need to be identified to understand the condition fully.
4 citations
,
February 2019 in “PubMed” Clascoterone may be an effective topical treatment for hair loss.
104 citations
,
May 2003 in “Endocrinology” Lampreys have a functional vitamin D receptor that may help detoxify harmful substances.
January 2009 in “China Practical Medicine” Certain genes help dermal papillae cells in hair follicles grow and group together.
46 citations
,
August 1977 in “Journal of Morphology” The big-clawed shrew's sinus hair follicles are highly specialized for sensing vibrations.
2 citations
,
June 2019 in “The Journal of Dermatology” Two cases showed skin abnormalities without bone or neural defects.
1 citations
,
January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
1 citations
,
September 2018 in “Australasian Journal of Dermatology” A boy with GAPO syndrome had hair loss similar to male pattern baldness without hormone issues, possibly due to skin or blood vessel problems.
1 citations
,
January 2012 in “Journal of Toxicologic Pathology” A rat had a cyst similar to a hair follicle structure.
September 2014 in “Chinese Journal of Dermatology” Hair diameter difference, brown skin discoloration around hair follicles, and missing hair in certain areas are key signs of androgenetic alopecia (commonly known as hair loss) when viewed under a dermoscope.
April 2017 in “Journal of dermatological science” Removing PLCg1 from skin cells caused thicker oil glands and less hair in mice.
June 2022 in “Indian journal of clinical and experimental opthalmology” The report shows a young man with Hutchinson-Gilford Progeria Syndrome had typical and additional eye problems related to the disease.
28 citations
,
February 2012 in “PLoS ONE” A PKP1 gene mutation causes skin fragility and hair loss in Chesapeake Bay retriever puppies.
January 2025 in “Indian Journal of Dermatopathology and Diagnostic Dermatology” Dermoscopy helps diagnose rare GLPLS in males.
March 2011 in “Pigment Cell & Melanoma Research” The Agouti gene influences pigmentation and may have a developmental role in deer mice.
9 citations
,
September 2016 in “Dermatologic Surgery” New LPP subtype affects vellus hairs, mimics AGA, and needs biopsy for diagnosis.
1 citations
,
January 2014 in “Health Renaissance” Pseudopelade of Brocq is hard to diagnose and treat, with limited effective options.
4 citations
,
May 2020 in “Journal of The American Academy of Dermatology” Cicatricial pattern hair loss is likely advanced common baldness, not a type of lichen planopilaris.
14 citations
,
January 2015 in “Skin appendage disorders” Misdiagnosis of LPP in AGA patients can cause hair transplant issues.
4 citations
,
January 2025 in “Annals of the New York Academy of Sciences” Spiny mice can regenerate tissues instead of forming scars.
86 citations
,
April 2009 in “Journal of anatomy” Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.
46 citations
,
January 1991 in “Tissue and Cell” The male silkmoth's antenna develops olfactory structures over 21 days, with full hair formation by day 15.
1 citations
,
July 2023 in “Journal of developmental biology” Bird foot scales develop differently and can repair but not fully regenerate due to the lack of specialized stem cell areas.
December 2024 in “Veterinary Dermatology” A sugar glider had a rare skin cancer that worsened despite treatment, highlighting the need for thorough checks in exotic pets.
2 citations
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July 2019 in “Indian dermatology online journal” A 17-year-old girl and her brothers have a rare hair condition with long eyelashes, thick eyebrows, and easily pluckable hair.