Organism Function
leaf senescence
leaf se·nes·cence
Definitions related to leaf senescence:
  • The last stage of leaf development in which the leaf cells undergo an ordered process of disassembly of organelles and changes in gene expression and metabolism. During leaf senescence the chloroplasts breakdown and metabolism switches from photosynthesis to converting growth-phase accumulated materials into exportable nutrients for seed development, in annual plants; or to the stems and roots to be stored for the next season, in perennials.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • The last stage of leaf development during which programmed degradation of macromolecules and nutrient recycling take place.
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
Try this search on: Farlex, Merriam-Webster, Oxford Dictionary, or Wordnik

This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.