What are some diseasescharacterized by progressiveloss of the axonal myelinsheath?

Q: Distinguish between presynaptic & postsynaptic neurons and between axodendritic, axosomatic…

A: Synapse also called neuronal junction, the site of transmission of electric nerve impulses between…

Q: What is neurotransmission?

A: Cells present within the nervous system are known as neurons. These communicate with each other in…

Q: How a presynaptic neurone is adapted for the manufacture of neurotransmitter?

A: Synapse is the junction between the two neurons. Information from one neuron goes to another neuron…

Q: What are the cells thatproduce the myelin sheath? Ofwhich substance is the myelinsheath formed?

A: Myelin is a fatty membrane which wraps around the nerve exon in a spiral fashion to serve to…

Q: What is the relationship between action potentials andimpulses?

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

Q: What are the two divisionsof the autonomic nervoussystem?

A: Autonomic nervous system is a type of efferent nervous system from the peripheral nervous system…

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: How do the descending neurons release serotonin?

A: Serotonin is one of the biogenic amines that exert different effects.

Q: Name the neurotransmitter released at each synapse orneuroeffector junction in the somatic and…

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

Q: Give examples of disorders of neural conduction, and describehow they arise.

A: Introduction: Nerve conduction is an overall term for electrical signs conveyed by nerve cells. A…

Q: What are Factors That Determine Synaptic Strength?

A: Homosynaptic changes comes from activity that happens at the same synapse that is modified.…

Q: . Discuss the function of the myelin sheath and describeits formation in the CNS and PNS.

A: The nervous system is a part of body that consists of brain, spinal cord and sensory organs along…

Q: Regeneration of a severed axon has a better chance forsuccess in the PNS than in the CNS. Why is…

A: The nervous system involved in the transmission of impulses from all parts of the body to the brain…

Q: What is the conduction velocity of the action potentil in a myelinated axon of the nerve cell?

A: The conduction velocity is the speed in which electrochemical impulse propagates down a neural…

Q: How do Schwann cells and oligodendrocytes differ with respect to the number of axons they myelinate?

A: There are two types of myelinating cells present in our nervous system: Schwann cells also known as…

Q: What kinds of effects, excitatory or inhibitory, do thesympathetic and parasympathetic divisions…

A: The sympathetic and parasympathetic nervous system is an important part of the autonomic nervous…

Q: What are the inhibitory synapses?

A: It is a specialized type of synaptic potential in which the activation from one neuron initiates an…

Q: What is the function of the regeneration tube in repair ofneurons?

A: Neuro-regeneration is the process of developing new synapses, nerve cells, axons, and glial cells to…

Q: Fluoxetine is anantidepressant drug thatpresents an action mechanismrelated to the…

A: Fluoxetin is an antidepressant of selective serotonin reuptake inhibitor(SSRI) class.It is sold…

Q: What is the Maintenance of Neurons?

A: The neurons are a complex cells with different shapes, a neuron consists of one axon and several…

Q: What is the mechanism bywhich the neural impulse istransmitted along the axon?

A: Communication between neurons is achieved at synapses by the process of neurotransmission. To begin…

Q: What is the functional advantage of myelination?

A: The neuron or nerve cell is the fundamental unit of the nervous system. This is divided into three…

Q: How does thedepolarization of the neuronalmembrane start?

A: The alteration of action potential can result in two conditions; repolarization and depolarization.…

Q: According to the function ofthe transmitted neuralimpulse which are the types ofneurons? How…

A: Nerve impulses are the electrical signals that are transmitted along the nerve fiber. It is a way by…

Q: What is the excitationthreshold of a neuron? Howdoes this threshold relate tothe “all-or-nothing”…

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

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: What determines whether optogenetic stimulation excites a neuron or inhibits it?

A: The genetic technique in which the researcher can stimulate or terminate the neuron activity using…

Q: Is there a connection between dyslexia and mirror neurons?

A: Dyslexia is a specific learning disorder characterized by difficulties with accurate word…

Q: Explain the cocept of Myelin Sheath ?

A: All organisms are made of billion s of cells. All cells are like the bricks that organise to make up…

Q: When does development of neuronal myelination occur?

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

Q: Since neurotransmittersare not consumed in thesynaptic process, what are themechanisms to reduce…

A: Neurotransmitters are a type of chemical messengers, which transmit signals across a chemical…

Q: What role does acetylcholinesterase play in Alzheimer's disease?

A: Alzheimer's disease - it is a disease that destroys the memory and other important mental functions…

Q: What is meant by theperipheral nervous system(PNS)?

A: The nervous system can be defined as an important part of an animal's body that is responsible for…

Q: Which of the neuroglial cell types shown form myelin sheaths within the CNS? OA Ов Ос F

A: Neuroglial cells Neuroglia or glia or glial cells are non-neuronal cells present in brain and spinal…

Q: What does a nerve impluse flow more rapidly in myelinated nerve fibres than in non-myelinated nerve…

A: The axons of many neurons have a segmented white insulating cover over it. This is called myelin…

Q: In chemical terms how isthe neuronal repolarizationachieved?

A: Action potential generates when the neurons want to pass the information along the body from its…

Q: How do individual neurons establishand maintain their characteristicintrinsic firing properties?

A: Introduction:- Neurons (also known as neurones or nerve cells) are the basic components of the brain…

Q: How does diabetes effect the peripheral neuropathy?

A: Peripheral neuropathy is nerve damage caused by chronically high blood sugar and diabetes. It leads…

Q: What are the two mainions that participate in theelectrical impulsetransmission in neurons?

A: An action potential, likewise called a nerve impulse, is an electrical charge that moves along the…

Q: What is the shape of majority of the neuronal cell bodies in the cortex?

A: Answer- Neuronal cell bodies also vary widely both in size small, medium, large, and giant. Shape -…