Pruning is the practice of removing unwanted portions from a plant.

Look up pruning in Wiktionary, the free dictionary.

Pruning may also refer to:

• Synaptic pruning, the reformation of neural structure by pruning "excess" neurons or neural clusters
• Decision tree pruning, a method of simplification of a decision tree
• Pruning (morphology), a technique used in digital image processing based on mathematical morphology
• Pruning (viticulture), how pruning is used in vine training systems
• Pruning (vascular), in prenatal development, the disappearance of blood vessels which are no longer needed
• Pruning (microeconomics), the removal of "excess" items from a budget
• Pruning (maceration), in dermatology, the softening, whitening, and wrinkling of skin that is soaked in water
• Retinal vessels pruning, the disappearance of the ends of the small vessels in the area affected (as in case of retinal venous occlusion)

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