collicle
ˈkɒlɪkəl
Definitions
1. noun
A small collection of nerve cells (neurons) in the brain that act together as a single functional unit.
“The neuroscientist studied the collicle’s role in sensory processing.”
2. noun
A small cluster of cells, especially in a plant, that together perform a specific function.
“The collicle of stomata helped regulate gas exchange in the leaf.”