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Which neuron has its cell body inside the spinal cord?
cell body
Which part of a reflex arc would have a cell body in the posterior root ganglion?
The sensory (afferent) neuron has a cell body located in the posterior root ganglion of the spinal nerve. This neuron carries sensory information from the peripheral receptors to the central nervous system.
How does effector relate to reflex arc?
An effector is a part of the body (such as a muscle or gland) that carries out the response in a reflex arc. In a reflex arc, when a stimulus is detected by a sensory receptor, a message is sent via a sensory neuron to the spinal cord, where it is processed, and then a message is sent via a motor neuron to the effector causing a response.
What is the withdraw reflex?
a spinal reflex intended to protect the body from damaging stimuli.
What Acts as a reflex center of the body?
the spinal cord
What are the structures and functions of a reflex arc?
A reflex arc consists of a sensory receptor that detects a stimulus, a sensory neuron that transmits the signal to the spinal cord, an interneuron that processes the information, a motor neuron that carries the response signal, and an effector (muscle or gland) that produces the reflex action. The function of a reflex arc is to produce a rapid and automatic response to a stimulus without conscious control to protect the body from harm.
What are nerve pathways that produce responses without involving the brain?
Reflex arcs are nerve pathways that produce responses without involving the brain. These reflex actions are quickly generated in response to a stimulus and help protect the body from harm or injury. The signal travels from the sensory neuron to the spinal cord and back out through the motor neuron to produce a rapid response.
What is the basis for the functional classification of neurons?
Functionally, neurons or nerve cells are classified into three types,1. Sensory or afferent neuron- a neuron that carries signals towards brain.2. Motor or efferent neuron- a neuron that carries signals away from brain.3. Inter-neuron which is present in gray matter of spinal cord and convert sensory signals into appropriate motor signals during spinal reflex.
Where does synapses occur in the spinal cord?
Cell body of sensory neuron - in dorsal root ganglion. Cell body of motor neuron - in anterior gray horn.
What is the path that nervous impulse takes through the nervous system?
A nervous impulse begins in the dendrites of a neuron, travels through the cell body and axon, and then is passed on to the next neuron via a synapse. This sequence repeats until the impulse reaches its destination, such as a muscle or gland, where it triggers a response.
What controls reflex actions?
Reflex actions are controlled by the spinal cord and do not involve conscious thought process. When a specific stimulus is detected by sensory receptors, the spinal cord quickly responds by sending signals to motor neurons to produce a reflex response. This rapid reaction allows the body to respond swiftly to potential danger or harm.
What is the primary reflex center for the body?
The primary reflex center for the body is the spinal cord. It coordinates reflex actions in response to stimuli without involving the brain, allowing for quick and automatic responses to potential threats or dangers.
