Basic units of the nervous system that operate through electrical impulses, which communicate with other neurons through chemical signals. They receive, integrate, and transmit information in the nervous system. go to glossary index
Neurons are our body's chemical messengers. 10-12 billion neurons make up our nervous system that transmit information to and from our brain and around our body. 80% of the body's neurons are found on the outer layer of the brain, our cerebral cortex. Neurons are of three main types, sensory neurons, motor neurons, and interneurons.
the bodyâ€(tm)s â€˜controllingâ€(tm) cells, responsible for many of the complex functions of the human body such as thought, memory, control of bodily functions, movement and transmission of electrical signals between the CNS and the body. Neurons consist of a cell body and two types of extension - dendrites and axons. They vary in size and construction, depending on their location and function. Some can be the longest cells in the human body, while others may be very small.
Highly specialized cells that generate and transmit bioelectric impulses from one part of the body to another; the functional unit of the nervous system. A cell of the nerve tissue having a cell body input zone of dendrites and an output zone of an axon (of varying length). The electrochemical nerve impulse/message is transmitted by neurons. PICTURE | PICTURE
The basic nerve cell of the body's nervous system. A neuron contains a nucleus within a cell body. They are classified according to direction in which they conduct impulses, and the number of processes they extend. Sensory neurons transmit impulses to the spinal cord and brain. Motor neurons transmit impulses from the brain to the muscles and glandular tissue. Neurons work according to electrochemical processes involving positively charged sodium and potassium ions and the changing electrical environment of the intracellular and extracellular fluid of the neuron itself.
Nerve cells, the structural and functional unit of the nervous system. A neuron consists of a cell body and its processes, an axon, and one or more dendrites. Neurons function by the initiation and conduction of impulses and transmit impulses to other neurons or cells by releasing neurotransmitters at synapses.
Brain cells that store and send information. There are about 25 types of neurons in a human brain, but they all consist of a cell body (which produces energy and makes chemicals to sustain the neuron); dendrites (tree-like branches that receive signals from other neurons); and an axon (a very long, branching cable that communicates signals to other neurons).