37.05SointseBookFluid-filled cavityEPPER PRODDHPrint1. Identify which letter represents a microglial cell:ReferencesOAOB O C ODOE1a. What is the function of this cell type?O produces a myelin sheath in the central nervous systemO largest and most numerous type of CNS glial cellwhite blood cell, phagocyticO produces and circulates cerebrospinal fluidO provide structural integrity and organization of neurons-E2. Identify which letter represents the cell that produces a myelin sheath in the central nervous system:OA OB O C ODOE2a. What is the name of this cell type?Oligodendrocyte3. Identify which letter represents the largest and most numerous type of glial cell in the CNS:O AOB ос OD O E3a. What is/are the function(s) of this cell type?helps maintain the blood-brain barrier.☐ produces a myelin sheath in the central nervous system✓ provide structural integrity and organization of neurons.produces and circulates cerebrospinal fluid.4. Identify which letter represents the cell type that produces and circulates cerebrospinal fluid.OAO B ос ODOE4a. What is the name of this cell type?Astrocytes

Answered: 37 .05 Soints eBook Fluid-filled cavity…

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter33: The Animal Body: Basic Form And Function

Section: Chapter Questions

Problem 21RQ: The part of a neuron that contains the nucleus is the cell body dendrite axon glial

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Similar questions

The cells responsible for the transmission of the nerve impulse are ________. neurons oligodendrocytes astrocytes microglia
What does a ligand-gated channel require in order to open? increase in concentration of Na+ ions binding of a neuro transmitter increase in concentration of K+ ions depolarization of the membrane
View 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?
What type of glial cell is the resident macrophage behind the blood-brain barrier? microglia astrocyte Schwann cell satellite cell
In 2003, the Nobel Prize in Physiology or Medicine was awarded to Paul C. Lauterbur and Sir Peter Mansfield for discoveries related to magnetic resonance imaging (MRI). This is a tool to see the structures of the body (not just the nervous system) that depends on magnetic fields associated with certain atomic nuclei. The utility of this technique in the nervous system is that fat tissue and water appear as different shades between black and white. Because white matter is fatty (from myelin) and gray matter is not, they can be easily distinguished in MRI images. Visit the Nobel Prize website (http://openstaxcollege.org/l/nobel_2) to play an interactive game that demonstrates the use of this technology and compares it with other types of imaging technologies. Also, the results from an MRI session are compared with images obtained from x-ray or computed tomography. How do the imaging techniques shown in this game indicate the separation of white and gray matter compared with the freshly dissected tissue shown earlier?
Which of the following central nervous system cells regulate ions, regulate the uptake and/or breakdown of some neurotransmitters, and contribute to the formation of the blood-brain barrier? microglia neuroglia oligodendrocytes astrocytes
What two types of macromolecules are the main components of myelin? carbohydrates and lipids proteins and nucleic acids lipids and proteins carbohydrates and nucleic acids
Many neurons have only a single axon, but many terminals at the end of the axon. How does this end structure of the axon support its function?
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.
Which of the following does not contribute to propagation of action potentials? a. As the area outside the membrane becomes negative, itattracts ions from adjacent regions; as the inside of the membrane becomes positive, it attracts negative ions from nearby in the cytoplasm. These events depolarize nearby regions of the axon membrane. b. The refractory period allows the impulse to travel in only one direction. c. Each segment of the axon prevents the adjacent segments from firing. d. The magnitude of the action potential stays the same as it travels down the axon. e. Up to a limit, increasing the intensity of the stimulus increases the number of action potentials.
A(n)______neuron has one axon and one____ dendrite extending directly from the cell body. unipolar bipolar multipolar pseudounipolar
Sensory fibers, or pathways, are referred to as afferent. Motor fibers, or pathways, are referred to as efferent. What can you infer about the meaning of these two terms (afferent and efferent) in a structural or anatomical context?

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