pennate - definição. O que é pennate. Significado, conceito
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O que (quem) é pennate - definição

TYPE OF SPATIAL ARRANGEMENT
Pinnate leaf; Pennate; Tripinnate; Tetrapinnate; Pinnatifid; Paripinnate; Imparipinnate; Pinnately compounded; Pinnately compound leaves; Compound pinnate; Unipinnate; Pinnate; Pennation; Pinnately; Pinnately compound; Pinnately divided
  • Bipinnate leaves of species of palm in the genus ''[[Caryota]]''

Pennate         
·adj ·Alt. of Pennated.
pennate         
['p?n?t]
¦ adjective Botany (of a diatom) bilaterally symmetrical. Compare with centric.
Origin
C19: from L. pennatus 'feathered, winged'.
Pinnation         
Pinnation (also called pennation) is the arrangement of feather-like or multi-divided features arising from both sides of a common axis. Pinnation occurs in biological morphology, in crystals,Nicholas Eastaugh, Valentine Walsh, Tracey Chaplin, Ruth Siddall.

Wikipédia

Pinnation

Pinnation (also called pennation) is the arrangement of feather-like or multi-divided features arising from both sides of a common axis. Pinnation occurs in biological morphology, in crystals, such as some forms of ice or metal crystals, and in patterns of erosion or stream beds.

The term derives from the Latin word pinna meaning "feather", "wing", or "fin". A similar concept is "pectination," which is a comb-like arrangement of parts (arising from one side of an axis only). Pinnation is commonly referred to in contrast to "palmation," in which the parts or structures radiate out from a common point. The terms "pinnation" and "pennation" are cognate, and although they are sometimes used distinctly, there is no consistent difference in the meaning or usage of the two words.