Synthesized protoplasm

Synthesized protoplasm is a substance from the Generation 1 continuity family.

Synthesized protoplasm, also known as syntho-flesh, is an substance, related to organic genetics.

Fiction

Marvel Comics continuity

Synthesized protoplasm was used in the creation of the outer shells of the Decepticon Pretenders at a stolen genetics lab. Then Optimus Prime stole their plans and the Autobots came up with their own Pretenders using synthesized protoplasm. Pretender to the Throne!

The Pretenders' resistance to the Underbase-powered Starscream was credited to their syntho-flesh shells. Dark Star