The term âshoulder instabilityâ is used to refer to the inability to maintain the humeral head in the glenoid fossa.The ligamentous and muscle structures around the glenohumeral joint, under non-pathological conditions, create a balanced net joint reaction force. The relevant structures are listed below.
Definition of synapse. : the point at which a nervous impulse passes from one neuron to another.
synapse (sinÂ´aps) , n the region of contact between the processes of two adjacent neurons forming the place where a nervous impulse is transmitted from the axon of one neuron to the dendrites of another. It also is called the. synaptic junction.xoaxonic synapse one between the axon of one neuron and the axon of another neuron. axodendritic synapse one between the axon of one neuron and the dendrites of another. axodendrosomatic synapse one between the axon of one neuron and the dendrites and body of another.