A bundle of neurones is called a nerve. There are three main types of ... Receptors are groups of specialised cells. They detect a change in the environment (stimulus) and stimulate electrical ...

Energy is provided by the breakdown of ATP inside the cell. This diagram shows molecules moving ... and potassium into the cells. This helps nerve cells to transmit nerve impulses.

The hypothesis that it disrupts the function of retinal ganglion cell axons by increasing mechanical forces on the lamina cribrosa of the optic nerve head ... of the structure of the lamina ...