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Concept explainers
(B)
To describe: The area of the spinal cord in which the virus-infected motor neurons is present.
Introduction: The poliomyelitis or polio is the viral disease that is caused by the polio virus. This disease affects the nervous system that can result in the paralysis of muscles. The symptoms of this disease include fever, sore throat, vomiting, head ache, abnormal reflexes and so on. It can transmit from one person to another person.
(C)
To describe: The portion of the spinal cord in which the certain disease affects the myelin shealth.
Introduction: The spinal cord is a tube-like structure that begins from the medulla oblongata of the brainstem and extends toward the lumbar region of the vertebral column. The spinal cord consists of both the sensory neurons and motor neurons. The neurons consist of the cell body, the dendrites and the axon. The axon of certain neurons is surrounded by the fatty white covering called as myelin sheath.
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Chapter 12 Solutions
Student Worksheets For Visual Anatomy & Physiology
- What is the opening indicated by the pointer? (leaf x.s.) stomate guard cell lenticel intercellular space none of thesearrow_forwardIdentify the indicated tissue? (stem x.s.) parenchyma collenchyma sclerenchyma ○ xylem ○ phloem none of thesearrow_forwardWhere did this structure originate from? (Salix branch root) epidermis cortex endodermis pericycle vascular cylinderarrow_forward
- Identify the indicated tissue. (Tilia stem x.s.) parenchyma collenchyma sclerenchyma xylem phloem none of thesearrow_forwardIdentify the indicated structure. (Cucurbita stem l.s.) pit lenticel stomate tendril none of thesearrow_forwardIdentify the specific cell? (Zebrina leaf peel) vessel element sieve element companion cell tracheid guard cell subsidiary cell none of thesearrow_forward
- What type of cells flank the opening on either side? (leaf x.s.) vessel elements sieve elements companion cells tracheids guard cells none of thesearrow_forwardWhat specific cell is indicated. (Cucurbita stem I.s.) vessel element sieve element O companion cell tracheid guard cell none of thesearrow_forwardWhat specific cell is indicated? (Aristolochia stem x.s.) vessel element sieve element ○ companion cell O O O O O tracheid O guard cell none of thesearrow_forward
- Identify the tissue. parenchyma collenchyma sclerenchyma ○ xylem O phloem O none of thesearrow_forwardPlease answer q3arrow_forwardRespond to the following in a minimum of 175 words: How might CRISPR-Cas 9 be used in research or, eventually, therapeutically in patients? What are some potential ethical issues associated with using this technology? Do the advantages of using this technology outweigh the disadvantages (or vice versa)? Explain your position.arrow_forward
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