Question

difference between tergum and sternum?

Answer 1

Answer:

As nouns the difference between tergum and sternum

is that tergum is (biology) the upper or dorsal surface of an articulated animal such as an arthropod while sternum is the breastbone

Answer 2

Answer:

The body of an arthropods like cockroach is covered by exoskeleton called sclerites. The exoskeleton (sclerites) on the dorsal surface is known as Tergum plural Terga and the exoskeleton rings present on the ventral side is called Sternum plural sterna.