protoplast

A cell of a plant, fungus, bacterium, or archaeon from which the cell wall has been removed, leaving the protoplasm and plasma membrane.

That which or one who is first formed; the original, type, or model of some organic being; especially, the hypothetical first individual or one of the supposed first pair of the human race; a protoparent.

A protozoan: a simple unicellular organism; specifically, a member of the Protoplasta.

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

A first-formed organized body; the first individual, or pair of individuals, of a species.

a biological unit consisting of a nucleus and the body of cytoplasm with which it interacts