The Collaborative International Dictionary
Phrenosin
Phrenosin \Phre"no*sin\, n. [See Phrenic.] (Physiol. Chem.) A nitrogenous body, related to cerebrin, supposed to exist in the brain.
Wiktionary
phrenosin
n. (context biochemistry English) A nitrogenous body, related to cerebrin, supposed to exist in the brain.