According to, a "synaptic knob" is formed by each axonal end branch adjacent to where the synapse and a tiny cleft are located. A neurotransmitter is released into the synapse from the vesicles as a nerve reaches... More »

The function of a synaptic knob is to change the action potential that is carried by axons into a chemical message. The chemical message then interacts with the recipient neuron or effector. This process is called synapt... More »

A monosynaptic reflex has only one synapse in between an outgoing motor response and an incoming sensory; a good example of this would be kicking the leg outward, which is also referred to as a knee jerk. Monosynaptic re... More »

The three parts of a synapse are the presynaptic ending, the synaptic cleft and the postsynaptic ending. An impulse traveling from one nerve cell to another must pass through all three parts to successfully cross the syn... More »

Inner Body says that the three parts of the deltoid muscle are the anterior fibers, lateral fibers and posterior fibers. Each band of fibers originates from a separate location. More » Science Human Anatomy Muscles

The hamstrings are the primary muscles worked during a power clean, but other muscles worked include the shoulders, forearms, calves, lower back and triceps. The exercise uses a pulling movement. More »

Alleviate tight back muscles by resting the muscles, using over-the-counter anti-inflammatory medication, and applying heat or ice therapy. If the pain does not improve, a doctor can prescribe muscle relaxants or pain me... More » Science Human Anatomy Muscles