1 citations
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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.
Pangolin scales evolved for protection, hardening with age, due to keratin gene diversification.
November 2022 in “Munich Personal RePEc Archive (Ludwig Maximilian University of Munich)” Phosphatidylinositol 4-kinases are crucial for root growth, defense, and immunity in Arabidopsis thaliana.
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.
4 citations
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July 1979 in “Journal of the American Academy of Dermatology” The hair and oil glands react by changing structure when stressed.
7 citations
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May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
425 citations
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August 2002 in “BioEssays” The cornified cell envelope forms a protective barrier in skin and hair, using specific proteins and lipids to maintain effectiveness.
25 citations
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May 2016 in “Molecular biology of the cell” A protein in plants needs to bind two lipids to help with root hair growth, and this process is similar across different plant species.
June 2026 in “Skin Appendage Disorders” Pili annulati may be more common than thought, so recognizing its features is important for diagnosis.
July 2026 in “Research Square” 8 citations
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May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
21 citations
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January 2010 in “Skin pharmacology and physiology” Special creams can significantly reduce pollen allergens getting into hair follicles.
36 citations
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July 1988 in “Archives of Dermatological Research” Pili annulati is caused by a protein metabolism disorder affecting hair structure.
35 citations
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January 2000 in “Journal of comparative neurology” Rat vibrissae have sensory terminals with specific structures that help detect hair movements.
March 2022 in “JAAD case reports” A man had a non-cancerous, fast-growing skin lump on his arm that was removed with surgery.
36 citations
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January 1994 in “Cell and Tissue Research”
2 citations
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June 2024 in “Frontiers in Plant Science” LLPS is crucial for RALF signaling, aiding plant growth and stress resilience.
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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January 1999 in “Dermatology” The condition might be caused by genetic changes after birth.
November 2024 in “NeoReviews” Pallister-Killian Syndrome is a complex genetic disorder requiring coordinated care and genetic counseling.
April 2022 in “JAAD case reports” Alitretinoin helped clear up a skin condition called generalized granuloma annulare in an elderly man.
6 citations
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February 2020 in “Journal of Cutaneous Pathology” Nevus psiloliparus lacks mature hair follicles but keeps other skin structures intact.
4 citations
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March 2003 in “International Journal of Dermatology” Pimozide treatment resolved cysts and partially restored cheek fat in a man with Barraquer–Simons syndrome.
12 citations
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May 2009 in “Ophthalmic plastic and reconstructive surgery” Multiple pilomatrixoma may indicate Turner syndrome.
48 citations
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July 1993 in “Archives of Dermatological Research” Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.
24 citations
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May 2000 in “Journal of the American Academy of Dermatology” Pseudopelade can affect both the scalp and beard, causing hair loss.
Arabidopsis Formin 2 stabilizes actin filaments to aid cell-to-cell trafficking.
4 citations
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July 2012 in “Linguistic Annotation Workshop” Root hairs in barley improve growth and zinc uptake in zinc-deficient soil.
2 citations
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December 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The SYP123-VAMP727 complex is important for transporting materials that harden the root hair shank in Arabidopsis.
61 citations
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December 1994 in “Planta”