Definition of Preoperculum. Meaning of Preoperculum. Synonyms of Preoperculum

Here you will find one or more explanations in English for the word Preoperculum. Also in the bottom left of the page several parts of wikipedia pages related to the word Preoperculum and, of course, Preoperculum synonyms and on the right images related to the word Preoperculum.

Definition of Preoperculum

Preoperculum
Preoperculum Pre`o*per"cu*lum, n. [NL.] (Anat.) The anterior opercular bone in fishes.

Meaning of Preoperculum from wikipedia

- spine A spine positioned above and in front of the eye. preopercle, preoperculum The bone between the ch**** and the gill cover. preopercular spine A spine...
- contains four bone segments known as the preoperculum, suboperculum, interoperculum and operculum. The preoperculum is a crescent-shaped structure that has...
- divergent, and 3–5 on the preoperculum, normally 5. The suborbital stay is normally securely attached to the preoperculum, although in some species it...
- lateral head/ch**** skeleton, below the eye socket) across the ch**** to the preoperculum, to which it is connected in most species. Scorpaeniform fishes are carnivorous...
- mouth and an upper jaw extending behind the eye. The lower edge of the preoperculum is serrated with a strong spine at its angle; the operculum has a small...
- different - unlike the adults, they possess long spines on the head and preoperculum, larger eyes, a functional gas bladder, long and slender gill rakers...
- length of the snout. The ch****s are deep and covered in scales but the preoperculum has no scales, although the operculum is scaled. It has a long-based...
- many long, bristle like teeth. There are no spines or serrations on the preoperculum or caudal peduncle. The dorsal fin is supported by 6 or 7 spines, which...
- on the roof of the mouth. in most species there are no spines on the preoperculum or operculum. Any scales are usually ctenoid although the spinules may...
- slightly in front of the upper jaw. A short, sharp spine is present on the preoperculum and/or operculum and post-temporal bone, the latter spine directed posteriorly...