Medical Dictionary

mammary ridge


Medical Definition of mammary ridge

  1. :  either of a pair of longitudinal ectodermal thickenings in the mammalian embryo that extend from the base of the anterior to the posterior limb buds and are the source of the mammary glands—called also milk line

Seen and Heard

What made you want to look up mammary ridge? Please tell us where you read or heard it (including the quote, if possible).