From what are sympathetic autonomic nerve plexusesformed? How are they normally named?

Q: Where are the sympathetic postganglionic fibers located?

A: The preganglionic neurons of the sympathetic nervous system are located between the first thoracic…

Q: Describe the effect of parasympathetic innervation on each visceral organ innervated by the division…

A: Autonomic nervous system is divided into three parts: Sympathetic nervous system,enteric nervous…

Q: What do autonomic fibres link?

A: The autonomic nervous system (ANS) is the constituent of the peripheral nervous system (PNS) that…

Q: Identify the origin of the vagus (X) nerve in the brain, the foramen through which it exits the…

A: Vagus nerve is the tenth Cranial nerve and it is the most complex and largest nerve. It is mixed…

Q: The effects of the sympathetic and parasympatheticautonomic divisions differ because

A: The nervous system can be defined as the part of an animal's body that will coordinates with its…

Q: How do the spinal nerve and splanchnic nerve sympathetic pathways differ, regarding both the pathway…

A: Autonomic nervous system (ANS) is responsible for regulating the internal organs and glands,…

Q: What is the mechanism of action of Ciliospinal Reflex?

A: The ciliospinal reflex (pupillary-skin reflex) consists of dilation of the ipsilateral pupil in…

Q: Describe the locations of sympathetic trunk ganglia, prevertebral ganglia, and terminal ganglia.…

A: The “Somatic Nervous System” controls the voluntary function of the sensory organs and skeletal…

Q: What are the intercostal nerves, and what do they innervate?

A: The intercostal space is a space between the two adjacent ribs.  11 intercostal spaces are present…

Q: Alcohol intoxication can produce slurred speech. Howis this related to cerebellar function?

A: Alcohol causes many changes in the body as well brain. Brain activity becomes slow that leads to…

Q: What is the most superior of the chain ganglia?

A: The nervous system is one of the vital systems of a body. It is a system of nerves which carry…

Q: Which ganglia are associated with the parasympathetic division? Sympathetic division?

A: Ganglia can be defined as the ovoid structures which contain cell bodies of neurons and glial cells.…

Q: What are Schwann cells ? Explain the importance of these cells ?

A: The nervous system consists of the brain, spinal cord and neurons. The parts of a neuron are…

Q: What is the sympathetic division?

A: Sympathetic Division is one of the two main divisions of the Autonomic Nervous system. This division…

Q: Are interneurons important elements of the local level of the motor control hierarchy? Explain how?

A: Interneurons are connector neurons that connect the two regions of the brain. They facilitate the…

Q: What are meninges andcerebrospinal fluid?

A: A brain is an organ that serves as the center of the nervous system in all vertebrates and most…

Q: What is the significance of some ganglionic axons crossing to the opposite side of the brain?

A: The brain is the main part of the body that controls every action in our body. It is located in the…

Q: How is it explained that aperson with the spinal cordsectioned at the cervical levelis still able to…

A: The spinal cord is a thin, long, tube-like structure composed of nervous tissue. It spans from…

Q: Most preganglio sympathetic ner synapse with

A: The correct answer is a. maximum 5 postganglionic neurons.

Q: What is the process of nerve healing in peripheral nerves?

A: The presence of intact cell bodies is a prerequisite for nerve healing in the nerves of the…

Q: Identify the origin of the hypoglossal (XII) nerve in the brain, the foramen through which it exits…

A: The nervous system is responsible for coordinating the behaviour and transmitting signals…

Q: Why is the sympathetic division called the thoracolumbardivision even though its ganglia extend from…

A: Answer: Introduction: Nerve cells or neurons are the structural and functional units of the nervous…

Q: Tom had anesthesia for surgery and was unable to void for a short time after awakening. Trace the…

A: Parasympathetic divisions: Tom had anesthesia for surgery and was unable to void for a short time…

Q: What change will happen in basal forebrains in elderly Alzheimer’s sufferers ?

A: Alzheimer's disease is a neurologic disorder. In this disorder death of brain cells occur that cause…

Q: Explain the means of communication between thebrain and the peripheral nerves ?

A: Introduction: There are two types of neural systems: the peripheral nervous system (PNS) and the…

Q: Describe the structural and functional differences betweenthe white and gray rami communicantes. Do…

A: Neurons are the unit of the nervous system which are made up of dendrites, cell body and long…

Q: In a patient with C7 lesion with Brown Sequard Syndrome, the tracts affected are Dorsal Column…

A: Brown Sequard Syndrome is caused by damage to the ascending and descending spinal cord tracts on 1…

Q: What effect would loss of sympathetic stimulation have on the flow of air into the lungs?

A: All body functions are regulated by the nervous system and endocrine system. These systems work…

Q: (a) Define plexus. (b) Indicate the spinal roots of origin of the four major nerve plexuses, and…

A: A nerve is a cable-like structure that helps to transmit impulses. They consist of a bundle of…

Q: How is the cerebrumanatomically divided?

A: The controlling and communication center of the human body is known as brain. The brain comprises of…

Q: Which number represents postganglionic fibers?

A: Preganglionic fibres :  These fibres are shorter and cell body are present inside the central…

Q: embryological origins of the ganglia

A:

Q: What types of axons (preganglionic or postganglionic,myelinated or unmyelinated) are found in the…

A: Rami communicantes refer to the nerves that connect two other nerves. They are usually called…

Q: What are the body structures innervated by the sympathetic division only?

A: Response to threat or immediate responses like to fight or run, the sympathetic nervous system…

Q: which plexus does the phrenic nerve arise from?

A: Neurons, also known as nerve cells are the fundamental unit of brain and nervous system. Neurons are…

Q: What is autonomic ganglion?

A: The autonomic nervous system governs spontaneous physiological functions such as heart beat, blood…

Q: What is/are the connections of bell's Palsy with the facial nerves

A: On its way to your face, the nerve which controls your facial muscles passes through a narrow…

Q: which plexus does the sciatic nerve arise from?

A: Brain is a complex structure which control and coordinates different body function by the cells…

Q: What are the responsibilities for speech production of Cranial Nerve X’s various branches?

A: The nerves are emerging directly from the brain, in contrast to the spinal nerve, are known as…

Q: Which part of the autonomic nervous system promotesdigestion and absorption? How does this occur?

A: Nervous system is very important system which maintains the homeostasis in the body. Nervous system…

Q: List the names and locations of the 12 pairs of cranial nerves.

A: The nerves that arise from the brain are called cranial nerves. 12 pairs of cranial nerves are :…