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Calyx

Biology Calvin cycleCancer

calyx
the outer whorl of floral leaves known individually as sepals
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...

 


calyx
[Gk. kalyx, a husk, cup]
Collectively, the sepals of a flower.
CAM photosynthesis ...

calyx. The sepals of a flower; they enclose the unopened flower bud.
cambium. Thin layer of undifferentiated, actively growing tissue between phloem and xylem.

Calyx: the outer whorl of sepals; typically these are green, but are petal-like in some species.
Corolla: the whorl of petals, which are usually thin, soft and colored to attract insects that help the process of pollination.

calyx 1. A boat-shaped or cuplike central body of an entoproct or crinoid. The body and tentacles of an entoproct. 2. A cuplike set of ossicles that support the crown of a sea lily or feather star (class Crinoidea, phylum Echinodermata).

Compare: calyx tube.
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Collectively they make up the calyx.
Whorl 2 forms above the calyx, forming the petals. Collectively these make up the corolla of the flower (the part that most ornamentals are grown for).

Since a single calyx may enclose more than one papilla the calyces are generally fewer in number than the pyramids"the former varying from seven to thirteen, the latter from eight to eighteen.

glycocalyx (components external to the plasma membrane)
cytoplasm (semifluid)
cytoskeleton - microfilaments and microtubules that suspend organelles, give shape, and allow motion
presence of characteristic membrane enclosed subcellular organelles ...

Pappus a modified calyx‚ for example‚ the "fuzz" in a dandelion
(pappos = old man‚ grandfather‚ substance resembling gray hairs)
Paramecium a one-celled organism which is covered with many cilia
(paramec = oval; -ium = small) ...

See also: Trans, Cells, Cell, Membrane, Organ

Biology Calvin cycleCancer

 
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