Reflex Arc Monosynaptic

A reflex arc is the path along which a nerve impulse travels from a receptor to an effector, and which includes neurons, synapses, and other structures of the nervous system. Reflex arcs can be monosynaptic or polysynaptic.

Monosynaptic reflex arcs do not contain interneurons, which means that they consist of only two neurons and one synapse. Such reflex arcs are typically simple and easily identifiable because they do not have interneurons between receptor and effector.

An example of a monosynaptic reflex arc is the stretch reflex, which occurs when a muscle stretches or contracts. In this reflex, stretch receptors in the muscles send a signal through the spinal cord to the brain, where it is processed and causes the muscles that have been stretched to contract.

Reflex arcs can also be polysynaptic, meaning there is more than one synapse between neurons. These arcs typically include interneurons that help regulate the strength and speed of the reflex response.

Even though monosynaptic arcs are simple, they still play an important role in regulating various body functions such as respiration, heart rate and muscle tone.

**A reflex arc is the path along which an impulse from a sensory nerve cell travels to an effector nerve cell.\n**

**In the physiology of the reflex arc, there are two main areas:** the centers of the spinal cord, which contain nerve cells, and the wires, consisting of connective tissues (nerve fibers, blood vessels and nerves), which connect the centers with skeletal muscles.\n \n **Reflex arcs can have different shapes, but three main types can be distinguished: \n- Monosynaptic; \