The neuromuscular junction (NMJ) is the site of communication between motor nerve axons and muscle fibres. It is composed of four specialised cell types: motor neurons, Schwann cells, muscle fibres and the recently discovered kranocytes.he neuromuscular junction comprises four cell types: the motor neuron, terminal Schwann cell, skeletal muscle fibre and kranocyte, with the motor neuron and muscle fibre separated by a gap called the synaptic cleft.
â¢ DEFENCE (noun) The noun DEFENCE has 10 senses: 1. (psychiatry) an unconscious process that tries to reduce the anxiety associated with instinctive desires. 2. (sports) the team that is trying to prevent the other team from scoring. 3. the defendant and his legal advisors collectively.
Military defense is one of the oldest and most important functions of government. In the Preamble to the Constitution of the United States, military defense is referred to as the common defense.. One of the great purposes for which the U.S. Constitution was ordained and established was to provide for the common defense of American society.