Abscission

（重定向自Abscission layer）

Abscission of the hypanthium during development of a nectarine fruit

Streptocarpus leaf showing abscission line in response to reduced day length

Abscission (from the Latin ab, meaning away, and scindere, meaning to cut) is the shedding of various parts of an organism, such as a plant dropping a leaf, fruit, flower, or seed. In zoology, abscission is the intentional shedding of a body part, such as the shedding of a claw, husk, or the autotomy of a tail to evade a predator. In mycology, it is the liberation of a fungal spore. In cell biology, abscission refers to the separation of two daughter cells at the completion of cytokinesis.

单词	Abscission layer
释义	Abscission layer 英语例句库 Tyloses are often found in injured tissue, older wood, and below an abscission layer, and can completely block the conducting vessel. 受损害的组织、衰老的木材和离层下方的位置常发现侵填体，这可以完全阻塞负责运输的导管系统。英语百科 Abscission （重定向自Abscission layer） Abscission (from the Latin ab, meaning away, and scindere, meaning to cut) is the shedding of various parts of an organism, such as a plant dropping a leaf, fruit, flower, or seed. In zoology, abscission is the intentional shedding of a body part, such as the shedding of a claw, husk, or the autotomy of a tail to evade a predator. In mycology, it is the liberation of a fungal spore. In cell biology, abscission refers to the separation of two daughter cells at the completion of cytokinesis.
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