Signals relayed to motor neurons from the brain enable muscle movement, but these signals typically pass through spinal interneurons before they reach their destination.
Researchers have uncovered in anglerfish a specialized motor neuron population for the first dorsal fin used for 'fishing'. When the first dorsal fin evolved from a swimming and buoyancy aid to a ...
Fish rely on the ventral horn of their spinal cord to regulate their swimming ... "The organization of different groups of motor neuron groups is similar among vertebrates. In vertebrates, there ...