circumvallate placenta
noun
: a placenta with a dense ring around the periphery produced by excessive growth of the surrounding tissue of the uterus
Cite this Entry
“Circumvallate placenta.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/circumvallate%20placenta. Accessed 31 Oct. 2025.
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