A type of nerve cell connection where an axon (nerve fiber) meets another axon instead of a dendrite (branching fiber).
From Greek 'axon' (axis/axle) + 'dendrite' (from Greek 'dendron' meaning 'tree'). In neurobiology, these terms describe the tree-like branching patterns of nerve fibers.
When neuroscientists first mapped nerve connections under microscopes, they noticed that not all nerve terminals follow the standard axon-to-dendrite pathway—finding axodendrites revealed the brain's wiring is far more complex and flexible than anyone expected.
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