tergum

/tur-guhm/US // ˈtɜr gəm //UK // (ˈtɜːɡəm) //

畸形人,畸形,畸形的,畸形物

Definitions

n.名词 noun

1
plural ter·ga [tur-guh]. /ˈtɜr gə/. Zoology.
- : the dorsal surface of a body segment of an arthropod.

The spur probably answers to the basal point of the usually sub-rhomboidal tergum in Pollicipes and Scalpellum.
The scutum and tergum, with the few exceptions above stated, are articulated together at a large or open angle.
In some species of Pyrgoma, the tergum is of so irregular a shape as to defy description.
Scutum and tergum articulated together, or overlapping each other; each branchia composed of a single plicated fold.
The Tergum is broad, forming (the spur being excepted) an almost equilateral triangle.