名詞 dehiscence:

1. (biology) release of material by splitting open of an organ or tissue; the natural bursting open at maturity of a fruit or other reproductive body to release seeds or spores or the bursting open of a surgically closed wound

de.his.cence

n.（名詞）
Botany An opening at definite places at maturity to release or expose the contents, such as seeds from a fruit or pollen from an anther.
【植物學】 開裂，裂開：到達成熟期時在一定的位置裂開的口子，以釋放或顯露出內(nèi)含物，如從果實的裂口處釋放出來的種子或從花粉囊中散發(fā)出的花粉
Medicine A splitting open or a rupture, as of a surgical wound or of an organ or a structure to discharge its contents.
【醫(yī)學】 開口，裂開：裂開的口子或破裂處，如裂開的傷口或器官、結(jié)構(gòu)的開裂以放出內(nèi)含物

【引伸】
dehis.cent
adj.（形容詞）