: Most small and medium-sized ducts are lined by simple cuboidal epithelium , which is optimized for secretion and absorption.
An is a tubular structure lined by epithelial cells that serves as a conduit for the transport of secretions (like sweat, saliva, or milk) or fluids (like urine) from glands or organs to their destination. 1. Structure and Tissue Type epithelial duct
: Ensuring clear separation between luminal contents and the body's interstitium. 3. Developmental Morphogenesis : Most small and medium-sized ducts are lined