volvox

American  

[vol-voks] / ˈvɒl vɒks /

noun

1. any colonial, freshwater green algae of the genus Volvox, forming a hollow, greenish sphere of flagellated cells.

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volvox British  

/ ˈvɒlvɒks /

noun

1. any freshwater flagellate protozoan of the genus Volvox, occurring in colonies in the form of hollow multicellular spheres

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Etymology

Origin of volvox

1790–1800; < New Latin, equivalent to Latin volv ( ere ) to turn, roll + -ōx (as in ferōx )

Example Sentences

The cells of volvox do not form a solid mass, but have arranged themselves in a single layer on the outer surface of the sphere.

From The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 by Tyler, John Mason

But in volvox a change has taken place.

From The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 by Tyler, John Mason

But in volvox division of labor and differentiation of structure have taken place.

From The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 by Tyler, John Mason

The substitution of other terms in the anatomical series there described—amœba, volvox, etc.—would not affect this result.

From The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 by Tyler, John Mason

And there is a just as real continuity of germ-plasm through successive generations of volvox, or of any higher plants or animals, as in successive generations of protozoa.

From The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 by Tyler, John Mason