👉 Intraepithelial refers to a layer of tissue between two epithelial layers, typically found in the lining of the fallopian tubes. This layer is composed primarily of connective tissue and contains many blood vessels, nerves, and lymphatic vessels. The interstitial layer is made up of fibroblasts, which are cells that line the tunica vaginalis (the outermost layer of the vagina) and act as barriers to protect the cervix from infection. Intraepith