What are the resultant stars called that formed from the collapse of these first, massive, metal-free clouds?

Answer

Population III stars

The outcome of the high-mass collapse in the metal-free environment was the formation of Population III stars, which were fundamentally different from later stellar generations.

What are the resultant stars called that formed from the collapse of these first, massive, metal-free clouds?
Spacestarscosmologyformationastrophysicsnebulaestellar formation