| 词汇 | preoperculum |
| 释义 | BETA Examples of preoperculumpreoperculum isn’t in the Cambridge Dictionary yet. You can help! A short, sharp spine is present on the preoperculum and/or operculum and post-temporal bone, the latter spine directed posteriorly. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A small lower spine occurs on the preoperculum. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It lacks scales on midline of nape, anterior to its preoperculum. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. More cirri project from the preoperculum, operculum, and under the lower jaw. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The preopercle is serrated, the lower membranous flap does not extend beyond edge of preoperculum. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There are small spines on the preoperculum and small prickles in the postpectoral area. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The preoperculum is gently rounded. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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