help me please?

Question

can some one explain what is synaptic transmission in laymen term

Answer 1

communication between cells- was enhanced in the hippocampus -the part of the brain involved with learning and memory.

Answer 2

The basic element of the nervous system is the nerve cell, or neuron. In combination, neurons form nerves, fibers that transmit impulses throughout the body. A protective covering of myelin, a fatty substance, insulates parts of the fibers.

The action of nerve cells is both electrical and chemical. At the ends of each nerve cell there are specialized regions called synaptic terminals, which contain large numbers of tiny membranous sacs that hold neurotransmitter chemicals. These chemicals transmit nerve impulses from one nerve cell to another. After an electrical nerve impulse has traveled along a neuron, it reaches the terminal and stimulates the release of neurotransmitters from their sacs.

The neurotransmitters travel across the synapse (the junction between the neighboring neurons) and stimulate the production of an electrical charge, which carries the nerve impulse forward. This process is repeated over and over again until a muscle is moved or relaxed or a sensory impression is noted by the brain. These electrochemical events can be considered the "language" of the nervous system, by which info-rmation is transmitted from one part of the body to another.

Synaptic transmission refers to the propagation of nerve impulses from one nerve cell to another. This occurs at a specialized cellular structure known as the synapse, a junction at which the axon of the presynaptic neuron terminates at some location upon the postsynaptic neuron. The end of a presynaptic axon, where it is juxtaposed to the postsynaptic neuron, is enlarged and forms a structure known as the terminal button. An axon can make contact anywhere along the second neuron: on the dendrites (an axodendritic synapse), the cell body (an axosomatic synapse) or the axons (an axo-axonal synapse).

Nerve impulses are transmitted at synapses by the release of chemicals called neurotransmitters. As a nerve impulse, or action potential, reaches the end of a presynaptic axon, molecules of neurotransmitter are released into the synaptic space. The neurotransmitters are a diverse group of chemical compounds ranging from simple amines such as dopamine and amino acids such as g-aminobutyrate (GABA), to polypeptides such as the enkephalins. The mechanisms by which they elicit responses in both presynaptic and postsynaptic neurons are as diverse as the mechanisms employed by growth factor and cytokine receptors.

Answer 3

Synaptic transmission is communication from one nerve cell to another.

Answer 4

A good youtube presentation:

http://youtube.com/watch?v=ysDGX6bOgAw&mode=related&search=

Answer 5

sumanasinc.com/webcontent/.../neurobiology/synaptictransmission.html

This totally helped me out!