bouton
Kelime Anlamı :

1. Çıban.
2. Yumru veya kabacık şeklinde oluşum, yumru şekli gösteren şişlik.
Tanımlar :
1. A knoblike enlargement at the end of an axon, where it forms a synapse with other neurons.
from The American Heritage® Dictionary of the English Language, 4th Edition
1. A bud-like swelling, especially one at the end of an axon
from Wiktionary, Creative Commons Attribution/Share-Alike License
1. button.
2. in entomology, the spoon-like or button-like extremity of the tongue of the honey-bee.
from The Century Dictionary and Cyclopedia