单词	tergal
释义	tergal /ˈtəːɡ(ə)l / adjective Zoology Relating to the terga of an arthropod.In places, portions of the sternites can be seen where the tergal cuticle has broken away.... The cuticle of juvenile stages is thin and weakly sclerotized, and sternal and tergal plates are barely recognizable in the light microscope. They also discovered a contact sex pheromone in the female's tergal gland - the first time such a pheromone has been identified for any termite species. Origin Mid 19th century: from Latin tergum 'back' + -al.
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