excitable definition anatomy
Multipolar neurons, e.g. neurons in cerebrum and cerebellum. Golgi type I neurons, with a long axon Golgi type II neurons (microneurons), with a short or no axon. The nervous tissue is composed of two distinct types of cells: the excitable and the non excitable.The excitable cells of the nervous system are known as neurons. They form the structural and functional unit of the nervous system and are responsible for all its activities.he nervous tissue is composed of two distinct types of cells: the excitable and the non excitable. The excitable cells of the nervous system are known as neurons. They form the structural and functional unit of the nervous system and are responsible for all its activities.