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.
Whence and for what purpose, if the Serpulae were produced or created as ready-formed species, these lateral filaments of the opercular peduncle?
From Facts and Arguments for Darwin by Muller, Fritz
The opercular spines are as usual two in number, being the tips of two low even divergent ridges, with a curved notch in the edges of the bone between them.
He did not, however, himself realise the relation of the ear-ossicles to the gill-arches, though he knew that Spix and Geoffroy were quite wrong in homologising them with the opercular bones in fish.
From Form and Function A Contribution to the History of Animal Morphology by E. S. (Edward Stuart) Russell
The sub-operculum is minutely crenulated on the edge, and has a small sub-membranous tip, which projects a little beyond the three opercular teeth.
The temples before the upper limb of the preoperculum are densely scaly, as is also the gill flap above the upper opercular ridge.