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.
Self-defense (self-defence in many varieties of English) is a countermeasure that involves defending the health and well-being of oneself from harm. The use of the right of self-defense as a legal justification for the use of force in times of danger is available in many jurisdictions, but the interpretation varies widely.