Implacentalia
noun plural
Im·plac·en·ta·lia
(ˈ)im-ˌplas-ᵊn-ˈtā-lē-ə 
in former classifications
: the monotremes and marsupials regarded as a systematic unit characterized by the absence or rudimentary development of a placenta
Dictionary Entries Near Implacentalia
Cite this Entry
“Implacentalia.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Implacentalia. Accessed 15 Dec. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share