bouton
/buˈtɑn/
noun
- A small, round swelling or knob, especially on a nerve cell where it connects to another cell (synaptic bouton).
- Under the microscope, the bouton looks like a tiny bulb at the end of the nerve fiber.
- The synaptic bouton releases chemicals that carry signals to the next neuron.
- Damage to the bouton can disrupt communication between brain cells.
- A small button or knob-like structure, especially in biology or anatomy.
- In some plants, a bouton forms at the tip of a growing stem.
- The doctor pointed to the bouton on the skin, explaining it was a harmless growth.
- The bouton on the tongue is part of a taste bud.