The important living portion of protoplasm, considered a chemical substance of the highest elaboration.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "plasmogen" in a sentence
"He calls this hypothetical substance "plasmogen," and thinks of it as an ultimate chemical compound hidden in protoplasm."
"Whenever a _level_ one-fourth teaspoonful is meant, as in the case of plasmogen, it is because the basic remedy is heavier and, therefore, the smaller quantity renders an equal amount in weight."
"The most wonderful results will accrue through the use of plasmogen in"