noun
definition
Any of many minute aquatic multicellular organisms, of the phylum Rotifera, that have a ring of cilia resembling a wheel.
synonyms
Examples of rotifer in a Sentence
Thus the rotifer is, as it were, constantly drawn forward into the centre of this vortex ring.
The image right shows a rotifer, a microscopic organism that can be found in a bird-bath or roof gutter.
The image of the bdelloid rotifer was exposed using electronic flash.
The most common type of rotifer found in these habitats is usually the bdelloid type, which moves somewhat like a leech.
Female rotifer trapped by the fungus The rotifer is being viewed from ' above ' and her tail is pointing into the screen.
There is no difficulty whatever in regarding Hydra as bearing the same relation to the actinula-stage of other Hydromedusae that a Rotifer bears to a trochophore-larva or a fish to a tadpole.
Leeuwenhoek described Rotifer vulgaris in 1702, and he subsequently described Melicerta ringens and other species.
A rotifer may be regarded as typically a hemisphere or half an oblate spheroid or paraboloid with a mouth somewhere on the flat end ("disk" or "corona"), which bears a usually double ciliated ring, the outer zone the "cingulum," and inner the "trochus".