Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN: 9781285866932
Author: Lauralee Sherwood
Publisher: Cengage Learning
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Chapter 5.2, Problem 3CYU
Summary Introduction
To write:
The reason by which the blood-brain barrier limits the transport through the cells of the brain capillaries wall.
Introduction:
Blood-brain barrier can be defined as a semipermeable membrane that separates the blood from the cerebrospinal fluid. It provides a barrier to the channel of particles, cells, and large size molecules.
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Chapter 5 Solutions
Human Physiology: From Cells to Systems (MindTap Course List)
Ch. 5.1 - Draw a flow diagram showing the organization of...Ch. 5.1 - Prob. 2CYUCh. 5.1 - Prob. 3CYUCh. 5.2 - Prob. 1CYUCh. 5.2 - Prob. 2CYUCh. 5.2 - Prob. 3CYUCh. 5.3 - Prob. 1CYUCh. 5.3 - Outline the components of the brain from the least...Ch. 5.3 - Prob. 3CYUCh. 5.4 - Prob. 1CYU
Ch. 5.4 - Prob. 2CYUCh. 5.4 - Prob. 3CYUCh. 5.4 - Prob. 4CYUCh. 5.5 - Prob. 1CYUCh. 5.5 - Prob. 2CYUCh. 5.5 - Prob. 3CYUCh. 5.6 - Prob. 1CYUCh. 5.6 - Prob. 2CYUCh. 5.6 - Prob. 3CYUCh. 5.7 - Prob. 1CYUCh. 5.7 - Prob. 2CYUCh. 5.7 - Prob. 3CYUCh. 5.7 - Prob. 4CYUCh. 5.8 - Prob. 1CYUCh. 5.8 - Prob. 2CYUCh. 5.9 - Prob. 1CYUCh. 5.9 - Prob. 2CYUCh. 5.9 - Prob. 3CYUCh. 5.10 - Prob. 1CYUCh. 5.10 - Prob. 2CYUCh. 5 - Prob. 1RECh. 5 - In emergencies when O2 supplies are low, the brain...Ch. 5 - Stellate cells initially process sensory input to...Ch. 5 - Prob. 4RECh. 5 - Prob. 5RECh. 5 - Prob. 6RECh. 5 - Prob. 7RECh. 5 - Prob. 8RECh. 5 - Prob. 9RECh. 5 - Prob. 10RECh. 5 - Prob. 11RECh. 5 - Prob. 12RECh. 5 - Prob. 13RECh. 5 - Discuss the function of each of the following:...Ch. 5 - Prob. 2UCCh. 5 - Prob. 3UCCh. 5 - Prob. 4UCCh. 5 - Prob. 5UCCh. 5 - Prob. 6UCCh. 5 - Prob. 7UCCh. 5 - Prob. 8UCCh. 5 - Prob. 9UCCh. 5 - Prob. 10UCCh. 5 - Prob. 11UCCh. 5 - Prob. 12UCCh. 5 - Prob. 13UCCh. 5 - Prob. 14UCCh. 5 - Distinguish between a monosynaptic and a...Ch. 5 - Julio D., who had recently retired, was enjoying...Ch. 5 - Prob. 1TAHLCh. 5 - Prob. 2TAHLCh. 5 - The hormone insulin enhances the carrier-mediated...Ch. 5 - Prob. 4TAHLCh. 5 - Under what circumstances might it be inadvisable...
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- Describe the meningeal coverings surrounding the brain, and explain how the meninges and cerebrospinal fluid protect the structures of the central nervous system. Describe the role of the three (3) “maters” relative to their basic structural properties (e.g. tough, etc.).arrow_forwardWhich of the following statements best describes the structure of the blood-brain barrier that provides its functional characteristics? Group of answer choices Processes of astrocytes wrap tightly around capillaries in the brain Tight junctions tightly seal endothelial cells of capillaries in the brain Gap junctions tightly seal endothelial cells of capillaries in the brain Spot desmosomes tightly link capillary endothelial cells together The basement membrane of the capillaries in the brain contains extremely small poresarrow_forwardIn planning treatment for a patient who has had a cerebrovascular accident (CVA), why would it be important to know whether the CVA was caused by a ruptured or obstructed blood vessel? HINT Why would the treatments for the two types of CVAs be different?arrow_forward
- The cell bodies of autonomic postganglionic neurons are found in ANS ganglia. The cell bodies of another class of neuron are also found in ganglia (but not ANS ganglia). What are these other ganglia called? Determine the structural and functional classification of the neurons found in these other ganglia.arrow_forwardDescribe the structural basis for and the importance of the blood-brain barrier?arrow_forwardSome soldiers who served in the Persian Gulf War in 1991 suffered from severe depression, chronic fatigue, and even memory loss. Explain how the failure of the blood brain barrier is believed to be responsible for their condition.arrow_forward
- Watch this animation (http://openstaxcollege.org/l/bloodflow1) to see how blood flows to the brain and passes through the circle ofWillis before being distributed through the cerebrum. The circle of Willis is a specialized arrangement of arteries that ensure constant perfusion of the cerebrum even in the event of a blockage of one of the arteries in the circle. The animation shows the normal direction of flow through the circle of Willis to the middle cerebral artery. Where would the blood come from if there were a blockage just posterior to the middle cerebral artery on the left?arrow_forwardHorners syndrome is a condition that presents with changes in one eye, such as pupillary constriction and dropping of eyelids, as well as decreased sweating in the face. Why could a tumor in the thoracic cavity have an effect on these autonomic functions?arrow_forwardA presynaptic neuron in the cerebrum transmits information to hundreds of other neurons. This process is an example of (a) convergence (b) divergence (c) temporal summation (d) spatial summation (e) a graded potentialarrow_forward
- e ATION All of the following are true EXCEPT Select one: a. The middle cerebellar peduncles connect the pons to the cerebellum and carry efferent information from the cerebral cortex and the pontine nuclei into the cerebellum. b. In all cases, damage in one hemisphere of the cerebellum (left or right) affects that same side of the body c. This retention of learned motor skills is called motor memory which is mastermind by the Cerebellum d. The cerebellum has three (3) regions: an outer cortex of gray matter, internal white matter called the arbor vitae ("tree of life"), and deeply situated gray matter called deep cerebellar nuclei. O e. The cerebellum consists of two expanded Cerebellar hemispheres, that are not connected medially by the wormlike vermis. Next pagearrow_forwardExplain how the cerebrumof the brain is connected both functionally and structurally to other parts of the brain. Give a thorough explanation of the function of this structure of the brain. There is a story about a man that had a metal rod go through his face (and brain) and yet survived. Explain how someone could have such a traumatic brain injury, but still survive. In addition, explain what would happen if a similar accident (trauma) were to happen to the cerebrum. This not a part of a homework assignmentarrow_forwardExplain what is meant by the blood-brain barrier. Describe its structure and discuss its clinical significance.arrow_forward
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