The Stretch Reflex : (See Figure 13.15). The stretch reflex in its simplest form involves only 2 neurons, and is therefore sometimes called a 2-neuron reflex. The two neurons are a sensory and a motor neuron. The sensory neuron is stimulated by stretch (extension) of a muscle.Stretch of a muscle normally happens when its antagonist contracts, or artificially when its tendon is stretched, as in the knee jerk reflex.he Stretch Reflex : (See Figure 13.15). The stretch reflex in its simplest form involves only 2 neurons, and is therefore sometimes called a 2-neuron reflex. The two neurons are a sensory and a motor neuron. The sensory neuron is stimulated by stretch (extension) of a muscle.
The four main business structures commonly used by small businesses in Australia are: 1  Sole trader: an individual operating as the sole person legally responsible for all aspects of the business. 2  Company: a legal entity separate from its shareholders.
Types of Business Entities, Limited Liability Company, C Corporations (including PAs) and S-Corporations. When a physician starts his or her own medical practice, a choice will need to be made about the type of business entity to operate through.