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lophophore
[ lof-uh-fawr, -fohr, loh-fuh- ]
noun
- the ring of ciliated tentacles encircling the mouth of a bryozoan or phoronid.
- a similar organ in a brachiopod, composed of two ciliated, spirally coiled tentacles.
lophophore
/ ˈəʊəˌɔː /
noun
- a circle or horseshoe of ciliated tentacles surrounding the mouth and used for the capture of food in minute sessile animals of the phyla Brachiopoda, Phoronida, and Ectoprocta
lophophore
- A horseshoe-shaped ciliated organ located near the mouth of brachiopods, bryozoans, and phoronids that is used to gather food.
Derived Forms
- ˌDZˈǰٱ, adjective
Other 51Թ Forms
- ·DZ·· [l, uh, -, fof, -er-, uh, l], adjective
51Թ History and Origins
Origin of lophophore1
Example Sentences
The lophophore in most genera is horseshoe-shaped instead of circular, the part opposite the anus being deeply indented.
I have seen a worm of the genus Ch�togaster devouring the tentacles of a polypide that had been accidentally injured, but as a rule the movements of the lophophore are too quick to permit attacks of the kind, and I know of no active enemy of the genus.
Together with the base to which they are attached they are known as the "lophophore"; they surround the mouth, usually in a circle.
Apparently they have the power of rejecting unsuitable food, for they may often be observed to bend backwards and forwards and thrust particles that have approached them away, and if the water contains anything of a noxious nature in solution the lophophore is immediately retracted, unless it has been completely paralysed.
Collar A longitudinally pleated circular membrane capable of being thrust out of the orifice in advance of the lophophore and of closing together inside the zoœcium above the tentacles when they are retracted.
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