142 citations
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September 2020 in “Journal of neurophysiology” This study estimates that young adults have about 230,000 tactile afferent fibers innervating their skin, with density varying by region and decreasing with age.
86 citations
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May 2002 in “Journal of comparative neurology” This study observed that hair follicle innervation in C57BL/6 mice occurs in sequential stages that closely correlate with the development of hair follicles, indicating an interdependent relationship between neuronal and epithelial morphogenesis.
43 citations
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November 1988 in “The Journal of Comparative Neurology” This study examined the sensory innervation of hair follicles in the furry skin of rat hindlimbs, finding significant differences among hair types in their innervation patterns and densities.
4 citations
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April 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” This study estimates that approximately 230,000 tactile afferent fibers innervate the human body's skin, with varying densities across different regions correlating with spatial acuity and hair follicle density.
1 citations
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October 2015 in “OakTrust (Texas A&M University Libraries)” This study found that harp seal vibrissal innervation studies focusing only on lateral vibrissae may overestimate total innervation by about 20%, highlighting the importance of considering the entire snout.