spermine(redirected from Neuridine)
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a polyamine first found in human semen but now known to occur in almost all tissues, in association with nucleic acids.
A polyamine found in some bacteria; associated with nucleic acids in some viruses; found in human sperm; important in cell and tissue growth; N,N-bis(3-aminopropyl)-1,4-diaminobutane.
A crystalline polyamine compound, C10H26N4, present in ribosomes and found widely in living tissues along with spermidine, from which it is derived. It was originally isolated from semen.