mammary ridge

noun

Medical Definition of mammary ridge

: 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

Comments on mammary ridge

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

WORD OF THE DAY

friendly or mild

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!