Sentences with phrase «contractile vacuoles»
Many protozoa have contractile vacuoles, which collect and expel excess water, and extrusomes, which expel material used to deflect predators or capture prey.
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Rab8a regulates the exocyst - mediated kiss - and - run discharge of the Dictyostelium contractile vacuole.
Not exact matches
Regardless of its nature, dorsoventral axis inversion (35) would have brought the ventral midline tissue into a dorsal position in the chordate lineage, and the appearance of incompressible vacuoles (14) would have gradually transformed it into a stiff rod of constant length; the amphioxus notochord could then be regarded a vestige of a contractile - cartilaginous transition.