H&E histology + Elastin immunohistochemistry of human normal & duplicated #InferiorVenaCava

Human IVC has a very intriguing, complex adventitial structure!
Is it #TertiaryLymphoidOrgan?😆
Elastin fibers elaborated by #FibroblasticReticularCells?😁

#AnatSciInt 2025
link.springer.com/article/10.1...