NMDA receptor. NMDA receptors (NMDAR), glutamate receptors are the predominant molecular device for synaptic plasticity and to control the memory function.
An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. The magnetic field disappears when the current is turned off. Electromagnets usually consist of a large number of closely spaced turns of wire that create the magnetic field.
The definition of magnetic is being attracted by magnetism, or very attractive. An example of something magnetic is a personality that attracts people; a magnetic personality. having the properties of a magnet: magnetic needle.