咽頜是某些動物除口腔頜骨外的另一副頜骨,位於動物的咽喉部。咽頜是由鰓弓演化而來的。大約有3萬種已知的魚類擁有咽頜,其中最為知名的是鯙科動物,它們的咽頜能夠相當自由地活動,並幫助它們吞食體積龐大的獵物。[1]
![Thumb](http://upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Pharyngeal_jaws_of_moray_eels.svg/640px-Pharyngeal_jaws_of_moray_eels.svg.png)
參考
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