pneumatocyst – מילון אנגלי-עברי
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Pneumatocyst
In
phycology, a
pneumatocyst is a floating structure that contains gas found on
brown seaweed. A seaweed's
thallus may have more than one. They provide
buoyancy to lift the blades toward the surface, allowing them to receive more sunlight for
photosynthesis.
Pneumatocyst
(n.)
A cyst or sac of a siphonophore, containing air, and serving as a float, as in Physalia.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
About
pneumatocyst
pneumatocyst