Nervous System - Organisation and Structure Worksheet

A single extension of a neurone which may be up to one metre long
Another name for a sensory neurone
Place where the nucleus is found in a neuron
Is made up of the brain and spinal cord
Short extensions of the cell body of a neurone
An effector organ can be a muscle or a
Chemical messengers which transmit signals
Type of neurone which transmits an impulse to an effector organ
The membrane of a Schwann cell is rich in this lipid
Neurones that have three or more processes
Name of neurones which have Schwann cells wrapped around them
Cells adapted for transmitting information through the nervous system
Type of neurone which transmits an impulse to another of this type or to a motor neurone
The name given to the potential difference in a neurone when it is not transmitting an impulse
Type of neurone that transmits an impulse to a relay or motor neurone
The axon ends in a series of these whose function is to stimulate the neurones target organ
Conducts impulses from the central nervous system to the skeletal muscle
Motor nerves that regulate the activity of smooth muscle, cardiac muscle and glands
Dense collections of myelinated fibres in the brain and spinal cord