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单词
spermidine
释义
WordReference Random House Unabridged Dictionary of American English © 2024
sper•mi•dine
(spûr
′
mi dēn′, -din),
USA pronunciation
n.
[
Biochem.
]
Biochemistry
a biogenic polyamine, H
2
N(CH
2
)
4
NH(CH
2
)
3
NH
2
, formed from putrescine, occurring widely in nature and first identified in semen.
sperm
- + -
idine
1925–30
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更新时间:2025/7/23 19:03:19