Where Does the Word Pinnate Come from?
Pinnate (Adj.) "Shaped Like a Feather; Resembling a Feather in Structure," 1727, from Latin Pinnatus "Feathered, Winged," from Pinna "Feather, Wing" (From Pie...
What does pinnate mean in anatomy?
(pĭn′āt′) adj. Resembling a feather in having parts or branches arranged on each side of a common axis: pinnate leaves; pinnate gills.
What does once pinnate mean?
Botanically, pinnation is an arrangement of discrete structures (such as leaflets, veins, lobes, branches, or appendages) arising at multiple points along a common axis. For example, once-divided leaf blades having leaflets arranged on both sides of a rachis are pinnately compound leaves.
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