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.
2. to form a synapse or a synapsis. [1895â1900; back formation from synapses, pl. of synapsis] (sÄ­nâ²Äpsâ²) The gap across which a nerve impulse passes from one nerve cell to another nerve cell, a muscle cell, or a gland cell.