TERGUM
Tergum
A tergum is the dorsal portion of an arthropod segment other than the head. The anterior edge is called the base and posterior edge is called the apex or margin. A given tergum may be divided into hardened plates or sclerites commonly referred to as tergites. So, for example, in a thoracic segment, the tergum may be divided into an anterior notum and a posterior scutellum. Lateral extension of the dorsal aspect of a tergite are called paranota.The above text is a snippet from Wikipedia: Tergum
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tergum
Noun
The above text is a snippet from Wiktionary: tergum
and as such is available under the Creative Commons Attribution/Share-Alike License.