How do the descending neurons release serotonin?

Q: Where are the sympathetic postganglionic fibers located?

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

Q: Where are the cell bodies of parasympatheticpreganglionic neurons located?

A: Parasympathetic division of autonomic nervous system is known as craniosacral outflow because the…

Q: What neurotransmitters are involved in the parasympathetic nervous system?

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

Q: List the events that occur when a nerve stimulate the next neuron. impulse crosses the synapse to

A: Synaptic transmission is the process by which a neuron communicate with adjacent neuron. Information…

Q: Define bipolar neuron

A: Introduction:- Neurons (also called neurons or nerve cells) are the basic units of the brain and…

Q: Where are synapses located?

A: The nervous system is highly complex among different organ systems in animals. By transmitting…

Q: How do neurotransmitters function and how are they deactivated?

A: Neurotransmitters are the chemical messengers that are released from the axon terminals of a…

Q: How does myelination differ between the CNS and the PNS?

A: Nervous system involves a series of networks of sensory receptors that provides information about…

Q: Describe the most common excitatory and inhibitory neurotransmitters in the CNS.?

A: Neurotransmitters are chemical messengers that transmit a message from a nerve cell across the…

Q: What are the causes of nerve impulse?

A: A nerve impulse is the process or the way in which nerve cells coordinate or connect with each…

Q: What is the role of the acetylcholinesterase enzyme?

A: Acetylcholine is a neurotransmitter of PNS (parasympathetic nervous system). It is the part of ANS…

Q: What are the PNS neurones/ CNS efferent neurones split into?

A: Neurons can be defined as the form of a cell that plays the role in transmitting the information in…

Q: What are neurotransmitters, types and their specific functions?

A: The transmission of signals from one nerve cell to a different, across the conjunction was earlier…

Q: Which synapses do not have acetylcholine as their primary neurotransmitter?

A: NEUROTRANSMITTER : these neurons synapse together in the autonomic ganglia . The exception to this…

Q: Which statement regarding neurotransmission through myelinated and unmyelinated neurons is true?…

A: Myelin sheath is modified plasma membrane that wraps around nerve axon and acts as insulator. The…

Q: What is the basic shapes and locations of major neuronal circuits in the mature?

A: Neural circuits are called central pattern generators and present in the spinal cord. They are…

Q: which electrical activity of the nervous system regulates effector cell activity?

A: The nervous system is the main controlling, and conveying system in the body. It is the headquarters…

Q: Describe Mechanisms of Neurotransmitter Release?

A: The release of neurotransmitters depend on neurons represents one of the pivotal events in synaptic…

Q: Where are Purkinje neurones found?

A: The somatic cell is that the basic operating unit of the brain, a specialized cell designed to…

Q: how can nervous system regulate the internal environment of PNS?

A: The neural system of all animals is composed of highly specialised cells called neurons. The neurons…

Q: Which nerve carries the most parasympathetic nerve fibers?

A: The parasympathetic nervous system is one of the three branches of the autonomic nervous system. By…

Q: How do myelinated axons differ from unmyelinated axons?

A: Myelinated axons:  a. Transmission of nerve impulse is faster. b. This axons has myelin sheath in…

Q: Compare the location and three basic effects of theSNS and the PNS.

A: The nervous system is an element of the organism of an animal that coordinates its conduct and…

Q: What are the major roles of the parasympathetic division?Give several examples.

A: Autonomic neural system consists of a special set of peripheral nerves that innervate visceral…

Q: Describe the anatomy and function of the PNS.

A: The nervous system is composed of neurons and glial cells.

Q: What type of neurons can be found in the PNS?

A: PNS stands for the peripheral nervous system. It is one of the type of nervous system.

Q: How is the neurotransmitter acetylcholine inactivated at the parasympathetic terminal receptor site?

A: The question is asking about the process by which the neurotransmitter acetylcholine is inactivated…

Q: When does development of neuronal myelination occur?

A: Developmental biology is the branch of biology which studies how several interrelated mechanisms…