Journal
ANATOMICAL RECORD-ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY
Volume 301, Issue 11, Pages 1809-1814Publisher
WILEY
DOI: 10.1002/ar.23934
Keywords
lamellar corpuscle; Pacinian corpuscle; mechanoreceptor; femoral artery; vascular sheath
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Pacinian corpuscles are vibration-sensing mechanoreceptors that are densely distributed in the dermis of the human hand. Although they are also known to occur in various other regions/structures throughout the human body, including the adventitia of large vessels, their precise distribution and function in arteries remain unclear. In the present study, we identified Pacini-like lamellar corpuscles (LCs) adjacent to the femoral artery, and investigated their distribution with respect to that structure via a histological analysis. We identified nine LCs that were localized in the connective tissue surrounding the femoral artery and vein. We showed that although their distribution was heterogeneous, they were predominantly concentrated on the dorsal side of the femoral artery. Immunohistochemical analyses revealed that the identified femoral artery LCs exhibited features characteristic of typical LCs located in the dermis of the index finger. Thus, the results of the present study contribute to an improved understanding of the function of femoral artery LCs. Anat Rec, 301:1809-1814, 2018. (c) 2018 Wiley Periodicals, Inc.
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