vesicle
1 of 1noun/ˈvɛsɪkəl/
Forms:vesicles
1
a small, membrane-bound sac within a cell, involved in the transport, storage, or release of substances
- Peroxisomes are vesicles containing enzymes that participate in various metabolic processes, including the breakdown of fatty acids.
- Synaptic vesicles store neurotransmitters in nerve cells, releasing them into the synapse during nerve signal transmission.
- Vacuoles, found in plant cells, are large vesicles involved in storing nutrients, waste products, and maintaining turgor pressure.
- Lysosomes are vesicles containing digestive enzymes, responsible for breaking down cellular waste and foreign particles.
- Endocytic vesicles form when cells engulf external materials through processes like phagocytosis or pinocytosis, bringing them into the cell.
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