Term
|
Definition
| sense of touch and hearing; inner ear and lateral line system |
|
|
Term
| octavolateralis system used to be called |
|
Definition
| acousticolateralis; believed functioned primarily in hearing and developmentally linked and homologous; beliefs in doubt, new name reflects innervation by 8th cranial nerve |
|
|
Term
|
Definition
| basic sensory unit occurs throughout octavolateralis system |
|
|
Term
| neuromast organ composed of hair cells |
|
Definition
| have synapses w/ nerve cells, each w/ ciliary bundle w/ kinocilium and multiple stereocilia; movement of kinocilium relative to stereocilia stimulates or inhibits nerve impulse |
|
|
Term
| neuromast organ hair cell sensitivity |
|
Definition
| each directionally sensitive, neuromast organs w/ multiple hair cells which may be in diff orientations, so organ can be exquisitely sensitive to movement direction as well as intensity |
|
|
