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| the primary subdivision of a taxonomic kingdom, grouping together all classes of organisms that have the same body plan |
| the reappearance in an individual of characteristics of some remote ancestor that have been absent in intervening generations |
dehiscence de·his·cence (dĭ-hĭs'əns)
n.
A bursting open or splitting along natural or sutured lines.
| dehiscence (dĭ-hĭs'əns) Pronunciation Key
The spontaneous opening at maturity of a plant structure, such as a fruit, anther, or sporangium, to release its contents. Compare indehiscence. dehisce verb |