10 citations
,
November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
October 2025 in “Folia Morphologica” Lymph vessels in airways vary by location, with the most in the upper pharynx and changes after birth.
107 citations
,
October 2014 in “PeerJ” Hair's molecular structure is mostly consistent, but genetic differences affect lipid types, which could help diagnose diseases.
11 citations
,
February 2019 in “Stem cells international” Skin-derived stem cells grow faster and are easier to obtain than hair follicle stem cells, but both can become various cell types.
1 citations
,
June 2023 in “Journal of applied crystallography” The technique showed that human hair has two main parts, with 68% being rigid and the rest flexible, and water swelling affects its structure.
10 citations
,
June 2007 in “Journal of Oral and Maxillofacial Surgery” A man's rare tumor caused unusual nerve-related symptoms that improved after surgery.
11 citations
,
January 1981 in “Cells Tissues Organs” Human hair cuticle has five cell layers with specific junctions and granules.
46 citations
,
April 1987 in “Brain Research” Hair-follicle nerves in cats' spinal cords can be inhibited by GABA-related connections.
479 citations
,
January 2005 in “BioEssays” Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.
396 citations
,
May 2011 in “Cell stem cell” Nerve signals are crucial for hair follicle stem cells to become skin stem cells and help in wound healing.