sclerite Bony upper layer lying on the fibrillary plate of a teleost scale.
骨片骨质的层,位于硬骨鱼鳞微纤维板。
sclerite Bony upper layer lying on the fibrillary plate of a teleost scale.
骨片骨质的层,位于硬骨鱼鳞微纤维板。
The mandibles are usually lost, the labrum is reduced to a narrow transverse sclerite, and the labium is a small flap ( though its palps retain quite large).
失,唇退化为一条窄横片,下唇退化为一小片(下唇须发达)。
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