mammary ridge

noun

: 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

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Cite this Entry

“Mammary ridge.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/mammary%20ridge. Accessed 12 Mar. 2025.

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