noun, plural ros·tel·la [ro-stel-uh] /rɒˈstɛl ə/.
- a projecting part of the scolex in certain tapeworms.
- a part of the mouth in many insects, designed for sucking.
Words nearby rostellum
Examples from the Web for rostellum
Asa Gray's observations on the rostellum of Gymnadenia are very imperfect, yet worth looking at.
One has a rostellum without hooks, like the tni of the vegetable-feeders, the other has hooks like those of the carnivora.Animal Parasites and Messmates|P. J. Van Beneden
I would give a good deal to know what the rostellum is, of which I have traced so many curious modifications.The Life and Letters of Charles Darwin, Volume II (of II)|Charles Darwin
I want to know whether anything beats in modification the rostellum of Catasetum.
So in other cases, but I have not completely traced (only seen) that going to the rostellum.