vibracula
- plural of vibraculum.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
When a branch was placed on its face, the vibracula became entangled, and they made violent efforts to free themselves.
From The Origin of Species by means of Natural Selection, 6th Edition by Darwin, Charles
The walls of the vibracula are usually thin, and very transparent, so as to allow the outlines of the cells to be seen imperfectly through them.
The majority of the zoœcia in each zoarium are more or less distinctly flattened, but some of them are often modified to form "vibracula" and "avicularia."
From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson
In many cases the vibracula have a grooved support at the base, which seems to represent the fixed beak; though this support in some species is quite absent.
From The Origin of Species by means of Natural Selection, 6th Edition by Darwin, Charles
Some species are provided with avicularia and vibracula, some with avicularia alone and a few with vibracula alone.
From The Origin of Species by means of Natural Selection, 6th Edition by Darwin, Charles
