👉 Perihelial is a medical term that refers to a layer of epithelium in the skin or mucous membranes, which is characterized by its thin and irregular structure. It is often found at the border between two layers of epithelial tissue and can be affected by various diseases such as cancer, inflammation, or infection. Perineal perihelia are structures that line the anus, and they play a crucial role in the function of the rectum and sphincter muscles.
