Protoplast

Part of speech: noun (n.)

1. The thing first formed; that of which there are subsequent copies or reproductions; the original.

2. A first-formed organized body; the first individual, or pair of individuals, of a species. A species is a class of individuals, each of which is hypothetically considered to be the descendant of the same protoplast, or of the same pair of protoplasts. Latham.