Abscission - Wikipedia
WebAbscission (from Latin ab- 'away', and scindere '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.
Abscission Definition & Meaning - Merriam-Webster
Web1. : the act or process of cutting off : removal. 2. : the natural separation of flowers, fruit, or leaves from plants at a special separation layer. Examples of abscission in a Sentence.
Process of Abscission in Plants (With Diagram) | Botany
WebAbscission is a process that initiates the removal of a part of plant following the formation of a protective layer or scar tissue that prevents the entry of pathogen and protects the inner tissues from desiccation.
Abscission - an overview | ScienceDirect Topics
WebAbscission in plants depends on the natural removal of various organs from the plant when they have reached a certain size, such as leaves, fruits, seeds, flowers, and petioles. Natural organ abscission is often associated with maturity and aging (Gulfishan et al., 2019).
Abscission in plants: Current Biology - Cell Press
WebApr 23, 2018 · Abscission, from the Latin words ab (away) and sciendere (to cut), is a tightly controlled cellular progression that occurs at given developmental stages during the lifespan of a plant and ensures that plants can shed organs when they are no longer required – such as flowers after pollination or senescent leaves in the fall – and …
Abscission Definition and Examples - Biology Online Dictionary
WebJan 19, 2021 · In botany, abscission is the normal separation of a plant part or organ. It occurs to separate a plant part or organ that may no longer be necessary. For instance, leaf abscission is the normal shedding of an old leaf at the base of the petiole such as that occurs during autumn.
ABSCISSION Definition & Meaning | Dictionary.com
Webnoun. the separation of leaves, branches, flowers, and bark from plants by the formation of an abscission layer. the act of cutting off. abscission. / ăb-sĭzh ′ ən /. The separation of …
Abscission | Encyclopedia.com
WebMay 29, 2018 · abscission. views 1,378,560 updated May 21 2018. abscission The separation of a leaf, fruit, or other part from the body of a plant. It involves the formation of an abscission zone, at the base of the part, within which a layer of cells ( …
Tree Leaf Abscission and Cellular Senescence - ThoughtCo
WebJan 8, 2020 · Abscission, in botanical terms, most commonly describes the process by which a plant drops one or more of its parts. This shedding or dropping process includes spent flowers, secondary twigs, ripe fruits and seeds and, for the sake of this discussion, a leaf .
Advances in understanding the mechanisms of organ abscission
WebJan 23, 2024 · Plant organ abscission, a fundamental biological phenomenon, is a physiological process in which the leaves, flowers, fruits, seeds or branches of a plant are separated from the parent body. Plant organ abscission occurs at a specific site, the abscission zone (AZ), which is generally established at the time of organ formation (Lee …
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