Anatomy & Physiology
3rd Edition
ISBN: 9781259398629
Author: McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher: Mcgraw Hill Education,
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 12, Problem 2CSL
Summary Introduction
To explain:
The reason for more time taken in the reestablishment of an innervation process than in circulation.
Concept introduction:
If axon due to an injury gets separated from its cell body, its myelin sheath at the distal end gets deteriorated. The cell debris and cell body of these deteriorated cells are removed by macrophages. The sprout neuroglia present at the proximal end then secretes nerve growth factors that influence the sprouts to develop the injured axon. The Schwann cells then start surrounding the new axons for its regeneration.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Spinal Cord
It had been a busy week for Amanda. She had taken three exams, and as if that wasn't stressful enough, her sister was ill and Amanda had to spend much of her time helping out at home. By the end of the week, Amanda decided to go to the beach for a walk and some genuine relaxation. The day was warm and Amanda took off her shoes so she could walk barefoot and feel the sand between her toes. Halfway down the beach, she stepped on something extremely sharp and withdrew her foot in pain. As Amanda hopped around the sand on one foot, rubbing the other to ease the pain, she decided to put her shoes back on.
As Amanda stepped on something sharp, she withdrew her foot due to reflexes. Any pain experienced would have been just AFTER she moved her foot off of the sharp object. Why is there a delay in perceiving the pain sensation?
Spinal Cord
It had been a busy week for Amanda. She had taken three exams, and as if that wasn't stressful enough, her sister was ill and Amanda had to spend much of her time helping out at home. By the end of the week, Amanda decided to go to the beach for a walk and some genuine relaxation. The day was warm and Amanda took off her shoes so she could walk barefoot and feel the sand between her toes. Halfway down the beach, she stepped on something extremely sharp and withdrew her foot in pain. As Amanda hopped around the sand on one foot, rubbing the other to ease the pain, she decided to put her shoes back on.
Regarding the reflex that moved her injured foot, classify it according to the complexity of the circuit.
Xena eventually catches Callisto (remember, she is 25 years old). Salmoneus, who is 60 years old, agrees to deliver Callisto to face charges for war crimes. On the way, their cart crashes down a ravine.
Salmoneus also suffers damage to his spinal cord during the accident. Compare the likely degree of regeneration/recovery of his spinal cord with that of the injured skeletal muscles and describe the consequences of your observations for his quality of life and ability to remain active.
Chapter 12 Solutions
Anatomy & Physiology
Ch. 12.1 - Prob. 1LOCh. 12.1 - Prob. 1WDLCh. 12.1 - Prob. 2LOCh. 12.1 - Prob. 3LOCh. 12.1 - What are the two primary functional divisions of...Ch. 12.1 - Prob. 4LOCh. 12.1 - Prob. 5LOCh. 12.2 - What are the three connective tissue wrappings in...Ch. 12.2 - Prob. 6LOCh. 12.2 - Prob. 4WDL
Ch. 12.2 - Prob. 7LOCh. 12.2 - Prob. 8LOCh. 12.2 - Prob. 5WDLCh. 12.2 - LEARNING OBJECTIVE
9. Distinguish between fast...Ch. 12.2 - Prob. 6WDLCh. 12.2 - Prob. 10LOCh. 12.2 - Prob. 11LOCh. 12.2 - Prob. 7WDLCh. 12.2 - Prob. 8WDLCh. 12.3 - Prob. 12LOCh. 12.3 - Prob. 13LOCh. 12.3 - Prob. 9WDLCh. 12.4 - Prob. 14LOCh. 12.4 - If a person has a brain tumor, is it more likely...Ch. 12.4 - Prob. 15LOCh. 12.4 - Prob. 11WDLCh. 12.4 - Prob. 12WDLCh. 12.4 - Prob. 16LOCh. 12.4 - Prob. 17LOCh. 12.4 - Prob. 13WDLCh. 12.5 - Prob. 18LOCh. 12.5 - Prob. 19LOCh. 12.5 - Prob. 14WDLCh. 12.5 - Prob. 15WDLCh. 12.6 - LEARNING OBJECTIVE
20. Distinguish between a pump...Ch. 12.6 - Prob. 16WDLCh. 12.6 - Prob. 21LOCh. 12.6 - LEARNING OBJECTIVE
22. Identify and describe the...Ch. 12.6 - Prob. 17WDLCh. 12.7 - Prob. 23LOCh. 12.7 - Prob. 18WDLCh. 12.7 - Prob. 24LOCh. 12.7 - Prob. 25LOCh. 12.7 - Prob. 26LOCh. 12.7 - Prob. 19WDLCh. 12.7 - Prob. 20WDLCh. 12.8 - Prob. 27LOCh. 12.8 - LEARNING OBJECTIVE
28. Compare and contrast the...Ch. 12.8 - Prob. 29LOCh. 12.8 - Prob. 1WDTCh. 12.8 - How are EPSP and IPSP graded potentials...Ch. 12.8 - LEARNING OBJECTIVE
30. Define summation, and...Ch. 12.8 - Prob. 22WDLCh. 12.8 - Prob. 31LOCh. 12.8 - Prob. 32LOCh. 12.8 - Prob. 33LOCh. 12.8 - How does depolarization and repolarization occur...Ch. 12.8 - Prob. 24WDLCh. 12.8 - Prob. 34LOCh. 12.8 - Prob. 35LOCh. 12.8 - Prob. 25WDLCh. 12.9 - Prob. 36LOCh. 12.9 - Prob. 26WDLCh. 12.9 - Prob. 37LOCh. 12.9 - Prob. 38LOCh. 12.9 - Prob. 27WDLCh. 12.9 - Prob. 39LOCh. 12.9 - Prob. 28WDLCh. 12.10 - Prob. 40LOCh. 12.10 - Prob. 41LOCh. 12.10 - Prob. 29WDLCh. 12.10 - LEARNING OBJECTIVE
42. Describe how acetylcholine...Ch. 12.10 - Prob. 43LOCh. 12.10 - WHAT DO YOU THINK?
2 Predict the general effect of...Ch. 12.10 - Prob. 30WDLCh. 12.10 - Prob. 44LOCh. 12.10 - Prob. 45LOCh. 12.10 - Prob. 31WDLCh. 12.11 - LEARNING OBJECTIVE
46. Identify the four different...Ch. 12.11 - Prob. 32WDLCh. 12.11 - Prob. 33WDLCh. 12 - _____ 1. The cell body of a neuron does all of the...Ch. 12 - Prob. 2DYBCh. 12 - Prob. 3DYBCh. 12 - Prob. 4DYBCh. 12 - Prob. 5DYBCh. 12 - Prob. 6DYBCh. 12 - _____ 7. An action potential is generated when...Ch. 12 - Prob. 8DYBCh. 12 - Prob. 9DYBCh. 12 - Prob. 10DYBCh. 12 - What are the four structural types of neurons? How...Ch. 12 - Prob. 12DYBCh. 12 - How does myelination differ between the CNS and...Ch. 12 - Describe the procedure by which a PNS axon may...Ch. 12 - Prob. 15DYBCh. 12 - Prob. 16DYBCh. 12 - Explain summation of EPSPs and IPSPs and the...Ch. 12 - Graph and explain the events associated with an...Ch. 12 - Prob. 19DYBCh. 12 - Prob. 20DYBCh. 12 - Prob. 1CALCh. 12 - Prob. 2CALCh. 12 - Prob. 3CALCh. 12 - Prob. 4CALCh. 12 - Sarah wants to call her new friend Julie and needs...Ch. 12 - Over a period of 6 to 9 months, Marianne began to...Ch. 12 - Prob. 2CSLCh. 12 - Prob. 3CSL
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- The following event received worldwide attention in 1962: A boy playing in a train yard fell under a train, and his right arm was cut off cleanly by the wheels. Surgeons reattached the arm, sewing nerves and vessels back together. The surgery proceeded very well. The arm immediately regained its blood supply, yet the boy could not move the limb or feel anything in it for months. Explain why it took longer to reestablish innervation than circulation.arrow_forwardSelect the best answer or answers from the choices given: Identify the neuronal circuits described by choosing the correct response from the key.arrow_forwardAbnormal softening of the nerves is called ________________________ .arrow_forward
- was the fol Match the following: The obturator and femoral nerves branch from this plexus. Striking the "funny bone" (ulnar nerve) may cause injury to a nerve of this plexus. Trauma to a nerve of this plexus may cause wrist drop. A fall or improper administration of an injection to the buttocks may injure a nerve of this plexus. The phrenic nerve branches from this plexus. [Choose] [Choose ] Choose [Choose] [Choose]arrow_forwardSteven had a stroke resulting in his having difficulty speaking. Ruth suffered a severe nerve injury to her left arm while working, but after a few weeks regained full use of her arm. Why is Steven having difficulty regaining his speaking ability; whereas, Ruth has regained full function in her arm. Base your answer on nervous system regeneration and repair. Please respond with 1-2 paragraphs. (Hint: Section 12.10) Even though both injuries are nervous system injuries. There is a major difference between these two injuries: Central Nervous System versus Peripheral Nervous System!arrow_forwardComplete transection of the spinal cord did not affect arterial blood pressure when the lesion occurs at level of :-a- mid-cervical segmentsb- upper thoracic segmentsc- lower thoracic segmentsd- mid-lumbar segmentsarrow_forward
- An intervertebral disc is a layer of cartilage that separates adjacent vertebrae in the spine. In terms of impulse, how does it protect the spinal system from damage during accidents?arrow_forwardA bit confused about this question I placed my answer below the question but not sure if the brain is synonymous or not with the peripheral nervous system due to the wording of the question. In the background section the authors wrote “Neurodegenerative disease are progressive conditions that occur through impairment in the function or structure of neurons in the peripheral nervous system or brain [1].’ Based on this quote, is the “or brain” statement synonymous with the peripheral nervous system or is the “or brain” statement in addition to the peripheral nervous system? The nerves outside of the brain and spinal cord are part of the peripheral nervous system. The main function of the peripheral nervous system is to transmit signals from the brain and spinal cord to the rest of the body making the "or brain" statement synonymous. How do you know that your answer to question 1 is correct?arrow_forwardCallisto survives the accident and goes to jail. Many years later she is found slumped in her cell, quite confused and with apparent paralysis in her right arm. When the jailer speaks to her, she is unable to produce any clear speech. Callisto can understand very simple sentences, and her sight is not affected. It is determined that she has a vascular occlusion (blockage) in her internal carotid artery. Callisto’s blood pressure is markedly lower than would be expected under physiological conditions. Based on this information, how are these structures in brain affected (if they are). Provide justification. Short answers. 1. Broca's area 2. Right posterior cerebral artery 3. Autonomic nervous systemarrow_forward
- Cerebrospinal fluid (CSF) is made by groups of ciliated glial cells called [ Select ] in clumps called (A) [ Select ] which are mostly located in cavities within the brain called (B) ventricles . CSF flows out of those cavities into the (C) ventricular space, which sits deep to the dura mater and is held open by strands of tissue called arachnoid (D) villi . This space surrounds the brain and the spinal cord and carries waste from the CNS to the circulatory system. After circulating around the brain and spinal cord, CSF drains back into the circulatory system in spaces called (E) subarachnoid space .arrow_forwardIn simplest form please answer the following: What is the function of the nerve supply to the arteries and veins?arrow_forwardSelect the best answer or answers from the choices given: Destruction of the ventral horn cells of the spinal cord results in loss of (a) integrating impulses, (b) sensory impulses, (c) voluntary motor impulses, (d) all of these.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Medical Terminology for Health Professions, Spira...Health & NutritionISBN:9781305634350Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. SchroederPublisher:Cengage Learning
Medical Terminology for Health Professions, Spira...
Health & Nutrition
ISBN:9781305634350
Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. Schroeder
Publisher:Cengage Learning