placula

noun
plac·​u·​la | \ ˈplakyələ\
plural placulas\ -​yələz \ or placulae\ -​yəˌlē \

Definition of placula

: the flattened blastula of urochordates or a similar oligochaete embryo

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History and Etymology for placula

New Latin, from plac- + Latin -ula

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