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.
Introduction. Self-defense is defined as the right to prevent suffering force or violence through the use of a sufficient level of counteracting force or violence. This definition is simple enough on its face, but it raises many questions when applied to actual situations.s a general rule, self-defense only justifies the use of force when it is used in response to an immediate threat. The threat can be verbal, as long as it puts the intended victim in an immediate fear of physical harm.