spermidine
[ spur-mi-deen, -din ]
/ ˈspɜr mɪˌdin, -dɪn /
noun Biochemistry.
a biogenic polyamine, H2N(CH2)4NH(CH2)3NH2, formed from putrescine, occurring widely in nature and first identified in semen.
Nearby words
- spermatozoon,
- spermaturia,
- spermi-,
- spermic,
- spermicide,
- spermiduct,
- spermine,
- spermiogenesis,
- spermo-,
- spermogonium
Origin of spermidine
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
spermidine
[ spûr′mĭ-dēn′ ]
n.
A polyamine compound found in ribosomes and living tissues and having various metabolic functions. It was originally isolated from semen.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.