adjective \ˈpe-ˌnāt\

Definition of PENNATE

:  of, relating to, or being usually elongate bilaterally symmetrical diatoms of an order (Pennales) having a raphe or a similar structure

Origin of PENNATE

irregular from New Latin Pennales
First Known Use: 1938


adjective \ˈpen-ˌāt\   (Medical Dictionary)

Medical Definition of PENNATE

: having a structure like that of a feather; especially : being a muscle in which fibers extend obliquely from either side of a central tendon


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