The pars tuberalis (PT) is part of the anterior pituitary gland surrounding the median eminence as a thin cell layer. The characteristics of PT differ from those of the pars distalis (PD). such as cell composition and gene expression. suggesting that the PT has a unique physiological function compared to the PD. https://countryscenesaddleryandpetsuppliers.shop/product-category/bridle-bits/