per·i·sperm 
(pĕrĭ-spûrm′)
(pĕrĭ-spûrm′)n.
Botany
Botany
A layer of nutritive tissue in the seed of certain flowering plants that is derived from the nucellus and surrounds the embryo.
| 单词 | perisperm |
| 释义 | per·i·sperm (pĕrĭ-spûrm′)n. Botany A layer of nutritive tissue in the seed of certain flowering plants that is derived from the nucellus and surrounds the embryo. |
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