Pinnate leaf | definition of pinnate leaf by Medical dictionary
pinnate (redirected from pinnate leaf)
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Resembling a feather in having parts or branches arranged on each side of a common axis: pinnate leaves; pinnate gills.
pinnate (of compound leaves) made up of leaflets arranged in two rows on opposite sides of the axis, or RACHIS.
featherlike; said of a muscle in which the fibers lie at angles to its tendon. The fibers may be unipinnate, bipinnate, etc.
References in periodicals archive
This is a single specimen of a pinnate leaf
preserved as an impression (part and counterpart) in which apex and base are absent.
Observation of a gradient in pinnateness and a coincident biochemical gradient will identify presumptive causal factors, but will not distinguish between a factor present and causing pinnateness and a factor present because it has been produced by an already pinnate leaf
Distinguishing features: Pinnate leaf
with slender rachis, subopposite pinnae with a decurrent catadromic side, a constricted anadromic side, and a broadly dentate apex.