| 词汇 | preopercle |
| 释义 | BETA Examples of preoperclepreopercle isn’t in the Cambridge Dictionary yet. You can help! The preopercle and interopercle are very large. The gill-flap on the cheek (preopercle) each has five sharp spines. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The operculum is composed of four fused bones; the opercle, preopercle, interopercle, and subopercle. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Females possess strong sphenotic and preopercle spines and highly distensible stomachs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The margins of the preopercle and the suborbital bone under the rear of the eye are smooth and scaled. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. On the sides of the preopercle is a large, elongated protrusion, where the powerful jaw adductor muscles attach. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The preopercle spines (near the gill-opening) are venomous, and can give painful wounds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The preopercle, the bony plate just in front of the operculum, bears a few spines set at an angle. 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. The lips are blue and the preopercle spine is light bluish grey. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Marine angelfish are distinguished from butterflyfish by the presence of strong preopercle spines (part of the gill covers) in the former. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The operculum and preopercle may or may not have spines. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Its body has a stock appearance, oval shape, strongly compressed laterally with a strong preopercle spine. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The top of the snout is blackish, while the opercle, preopercle and preorbital are bright silver. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The margin of the preopercle is serrated; the margin of bone under the eyes is serrated, without a notch in it and the bone before it. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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