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- Which of the following does NOT apply to a neuron? O cell body O chromatophilic substance sarcoplasmic reticulum O dendrite synaptic vesicle DELL O.Nerve transmission and communication with other neurons. DI it restores the membrane potential the chemical that talks between one neuron and the other neuron the point between the neuron and the muscle transmits impulse to dendrite it carries receptors on its surface it produces the neurotransmitter 1. Neurotransmitter 2. Presynaptic membrane 3. Postsynaptic membrane 4. Nat-K+ pump 5. Neuromuscular junction 6. AxonPart 2- The Function of the Nervous System Use the information in your lecture slides and handouts to answer the following questions about the function of the nervous system (A) Label the parts of the neuron indicated below (B) Indicate using an arrow the direction an electrical impulse would move during synaptic transmission Тext (the inner part) (the outer part) neuron (cell body) (C) In the space provided, write the letter of the description that best matches the term or phrase.
- Chapter 12: NERVOUS TISSUE The nervous system, the major anatomical and functional subdivisions. Three functional properties found in all neurons; define the three most basic functional categories of neurons List the six types of cells that aid neurons Chapter 13-: THE SPINAL CORD, SPINAL NERVES, AND SOMATIC REFLEXES Explain the cross-section of a spinal cord- the organization with 3 principal functions How do nerve signals travel up and down the spinal cord? Chapter 14: THE BRAIN AND CRANIAL NERVES Parietal lobs vs Temporal lobes- Compare and contrast function Frontal lobe function I need sleep! ? Stages of sleep, and brain wavesDepolarisation & repolarisation in metaneuron - put the following events in order (from 1 to 4). Membrane potential crosses the threshold potential and an action potential is achieved. Depolarisation occurs when the applied current is sufficient to move membrane potential towards neutral. The neuron's membrane potential drops below the initial resting membrane potential and temporarily becomes refractory to further action potentials. Membrane quickly repolarises by opening of Kt channels, allowing K* ions to leave the cell and charge separation to be re-established.Watch this video (http://openstaxcollege.org/l/summation) to learn about summation. The process of converting electrical signals to chemical signals and back requires subtle changes that can result in transient increases or decreases in membrane voltage. To cause a lasting change in the target cell, multiple signals are usually added together, or summated. Does spatial summation have to happen all at once, or can the separate signals arrive on the postsynaptic neuron at slightly different times? Explain your answer.
- Visit this site (http://openstaxcollege.org/l/nervetissue3) to learn about how nervous tissue is composed of neurons and glial cells. The neurons are dynamic cells with the ability to make a vast number of connections and to respond incredibly quickly to stimuli and to initiate movements based on those stimuli. They are the focus of intense research as failures in physiology can lead to devastating illnesses. Why are neurons only found in animals? Based on what this article says about neuron function, why wouldnt they be helpful for plants or microorganisms?A(n)______neuron has one axon and one____ dendrite extending directly from the cell body. unipolar bipolar multipolar pseudounipolarView the University of Michigan Webscope (http://openstaxcollege.org/l/nervefiber) to see an electron micrograph of a cross-section of a myelinated nerve fiber. The axon contains microtubules and neurofilaments, bounded by a plasma membrane known as the axolemma. Outside the plasma membrane of the axon is the myelin sheath, which is composed of the tightly wrapped plasma membrane of a Schwann cell. What aspects of the cells in this image react with the stain that makes them the deep, dark, black color, such as the multiple layers that are the myelin sheath?
- Depolarisation & repolarisation in metaneuron - put the following events in order (from 1 to 4). Membrane potential crosses the threshold potential and an action potential is achieved. Depolarisation occurs when the applied current is sufficient to move membrane potential towards neutral. The neuron’s membrane potential drops below the initial resting membrane potential and temporarily becomes refractory to further action potentials. Membrane quickly repolarises by opening of K+ channels, allowing K+ions to leave the cell and charge separation to be re-established.Neuroscience Question: Which of the following statements ACCURATELY describe spinal cord organization. α-motor neurons are organized from lateral to media such that those found towards the medial section of the spinal cord controls the distal muscles. Lumbar spinal cord enlargement is observed where neurons that innervate the legs and feet are located Neuronal cell bodies (somas) of neurons that innervate single muscles are only found in a single spinal cord segment. Muscles of the trunk are represented medially while muscles of arms and hands are represented laterally Group of answer choices 1, 2, 4 2, 3, 4 2, 4 4 only 1,2,3,4 Here is my reasoning: Please you be the judge if this is correct! α-motor neurons are organized from lateral to medial such that those found towards the medial section of the spinal cord control the distal muscles. This is inaccurate. α-motor neurons are organized from medial to lateral in the spinal cord, with those medially controlling axial…Activities Based on the anatomical characteristics of the neuron illustrated in Figure 10.1, what is the structural classification of this neuron? Structural classification Functional clasification or Identify the structural classification for the following images of neurons. Identify the functional classification of the neurons in the following figures. OR Label the neuron figure below with the following structures: dendrites, cell body, axon hillock, myelin, nodes of Ranvier, axon terminals. What is the structural and functional classification for this neuron? Functional: Structural: 330 Nervous System | Unit 10