Definitions

1. adjective

relating to or denoting a duct or ducts, especially in the mammary gland

“The ductal tissue in the breast is responsible for milk production.”

2. noun

a duct or ducts, especially in the mammary gland

“The ductal system of the mammary gland plays a crucial role in lactation.”

3. noun

a type of cancer originating from the ducts of glands, especially the breast

“Ductal carcinoma is a common type of breast cancer.”