January 2006 in “Elsevier eBooks” Most vertebrates can regenerate skin, nails, and corneas, but only some can regenerate teeth and lenses.
7 citations
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October 1992 in “PubMed” Sinus hair follicles in mammals have different nerve fiber types with species-specific patterns, especially in cats.
5 citations
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January 2022 in “Scientific reports” The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.
29 citations
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December 2004 in “Developmental biology” cDermo-1 causes dense skin, feathers, and scales in chickens.
52 citations
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January 2016 in “Sexual Development” Both genetic and hormonal factors are crucial for bird sex differentiation, and disturbances can cause sex reversal.
Retinoic acid can change skin development, like turning scales into feathers or forming glands.
2 citations
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January 2002 in “Zhiwu Yanjiu” Capitate trichomes have more endoplasmic reticulum and vacuoles, while peltate trichomes have more plastids and larger subcuticular spaces.
April 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Sweat gland development involves two unique skin cell programs and a temporary skin environment.
2 citations
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August 2021 in “Animal Cells and Systems” Egfl6 is not needed for zebrafish face development.
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November 2014 in “Annual Review of Animal Biosciences” Feathers are crucial for understanding bird evolution, development, and have inspired biomimetic research.
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August 2014 in “Veterinary Dermatology” Sphynx cats have abnormal hair follicles and keratinization affecting their skin.
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July 1994 in “Journal of Cell Science” Cross-linked proteins help maintain the structure of hair, feathers, and hagfish teeth.
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January 2025 in “Annals of the New York Academy of Sciences” Spiny mice can regenerate tissues instead of forming scars.
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June 2007 in “PLoS ONE” Birds can regenerate inner ear cells using specific gene pathways, unlike mammals.
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March 2004 in “The Journal of Urology” Hypospadiac rats showed abnormal genital development, useful for studying human hypospadias.
1 citations
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October 2024 in “European Journal of Histochemistry” Telocytes in silky fowl embryos develop distinct features and connections by the 20th day of incubation.
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January 2000 in “Journal of comparative neurology” Rat vibrissae have sensory terminals with specific structures that help detect hair movements.
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August 2010 in “Developmental neurobiology” Ptprq has multiple forms that change during inner ear development.
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June 2015 in “Journal of anatomy” A compound named ZCZ90 can increase muscle spindle firing, potentially helping treat muscle spasms and hypertension.
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October 2025 in “Scientific Reports” Mandarin duck sail feathers change with seasons due to hormones and genetic regulation.
Older Julia Creek dunnarts often have reproductive and hormonal health issues.
December 2010 in “OhioLink ETD Center (Ohio Library and Information Network)” Sry may regulate fatty acid metabolism and shows different expression levels in rat tissues.
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March 2025 in “Developmental Biology” Integumentary organs adapt and evolve for survival, with potential uses in regenerative medicine.
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January 2015 in “Current Topics in Developmental Biology” Fish teeth and taste bud densities are linked and can change between types due to shared genetic and molecular factors.
April 2019 in “Journal of Investigative Dermatology” Calcium signals and SHH guide the direction of feather growth in chicken skin.
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February 2025 in “Journal of Anatomy” Gray short-tailed opossums' skin shifts from helping with breathing to regulating body temperature as they grow.
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January 2011 in “Sexual Development” Intersex frogs have different brain gene activity related to sex and thyroid hormones.
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July 2007 in “Journal of comparative neurology” Manatee whiskers are specially adapted for touch in water.
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November 2005 in “European Journal of Cell Biology” Keratin gene clusters in humans and marsupials are similarly organized.