36 citations
,
November 2019 in “Molecular biology and evolution” Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
February 2026 in “Veterinary Dermatology” Coat-type differences in Pomeranians affect Alopecia X diagnosis and treatment.
2 citations
,
October 2010 in “Journal of dermatological treatment” External treatments can change hair growth patterns in nude mice.
April 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Gap junctions help control feather pattern formation by enabling cell communication.
5 citations
,
March 1981 in “PubMed” A girl grew extra hair in areas where she had insect bites.
7 citations
,
March 2003 in “PubMed” The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
16 citations
,
January 2005 in “The International Journal of Developmental Biology” Hex gene plays a crucial role in starting feather development in chick embryos.
3 citations
,
December 2020 The interdigital gland in crossbred sheep is similar to skin and has specialized structures for secretion.
65 citations
,
May 2006 in “Journal of Structural Biology” Hair curliness is due to uneven distribution of different cortices within the hair fiber.
July 1993 in “Journal of Radioanalytical and Nuclear Chemistry” Mouse hair element patterns vary, making it unreliable for tracking time.
73 citations
,
April 2010 in “Anais Brasileiros de Dermatologia” Dermoscopy helps diagnose and monitor treatment for hair loss from scarring conditions like discoid lupus and lichen planopilaris.
March 2026 in “JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH” Recognizing unusual patterns of hair loss helps dermatologists diagnose and manage Alopecia Areata better.
24 citations
,
March 2008 in “Neuroscience Research” Cat paws have complex touch sensors for detailed sensory processing.
October 2024 in “Skin Research and Technology” Pili annulati causes zebra-striped hair but doesn't affect hair strength or quality of life.
41 citations
,
January 2014 in “Annals of Dermatology” Dermoscopic examination helps diagnose different types of hair loss conditions by showing specific patterns.
8 citations
,
April 2014 in “Clinical and Experimental Dermatology” Eruptive vellus hair cysts likely originate from the infrainfundibulum and sebaceous duct.
January 1981 in “Purdue e-Pubs (Purdue University)” Pig skin is similar to human skin, with no major changes as they age.
56 citations
,
February 2012 in “Developmental biology” Sostdc1 controls the size and number of hair and mammary gland structures.
January 2015 in “Chinese Veterinary Science” Recognizing ultrastructures of cashmere goat hair follicles helps identify and locate follicle layers.
46 citations
,
August 1977 in “Journal of Morphology” The big-clawed shrew's sinus hair follicles are highly specialized for sensing vibrations.
9 citations
,
January 2008 in “Acta histochemica et cytochemica” COX-2 levels change during the hair cycle and affect skin and hair growth.
17 citations
,
February 2015 in “Cell Death and Disease” Inhibiting AP1 in mice skin causes structural changes and weakens the skin barrier.
47 citations
,
July 2005 in “European Journal of Cell Biology” Terrestrial vertebrates have balanced keratin gene clusters, unlike teleost fish.
67 citations
,
February 1994 in “Developmental dynamics” Specific proteins and molecules play key roles in the development of human hair follicles.
8 citations
,
August 2022 in “BMC Veterinary Research” C57BL/6 mice and SD rats have different sweat gland and hair follicle patterns, useful for skin research.
IRS-specific genes in Tan sheep hair follicles peak at birth and may affect wool crimp.
13 citations
,
September 2011 in “Archives of dermatology” A patient with steroid sulfatase deficiency had a unique hair pattern and a brain malformation not previously linked to the condition.
23 citations
,
July 1994 in “Journal of Dermatological Science” Pili torti hair twists due to uneven outer root sheath cell development.
11 citations
,
June 2001 in “British Journal of Dermatology” c-Myc, Max, and Bin1 help hair follicle cells mature and die.
7 citations
,
January 1988