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Pinna   Listen
Pinna

noun
(pl. pinnae, E. pinnas)
1.
Division of a usually pinnately divided leaf.  Synonym: pinnule.
2.
The externally visible cartilaginous structure of the external ear.  Synonyms: auricle, ear.






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"Pinna" Quotes from Famous Books



... matter: so are the cells throughout, to a greater or less extent. They are to be seen in all stages of development on the pinnae of a very young frond, those near its base having perhaps effected their purpose, while those at the apex of the pinna, or the prolonging part of pinnula, may be formed of only one cell. It is curious that the terminal cell does not become spherical for some time: in its earlier stages it ...
— Journals of Travels in Assam, Burma, Bhootan, Afghanistan and The - Neighbouring Countries • William Griffith



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