Textbook Question
Matrix is extracellular. How does the matrix get to its characteristic position?
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Ch. 4 Tissue: The Living Fabric
Marieb, Hoehn7th EditionHuman Anatomy & PhysiologyISBN: 9780805359091
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Table of contents
- Ch. 1 The Human Body: An Orientation24
- Ch. 2 Chemistry Comes Alive25
- Ch. 3 Cells: The Living Units24
- Ch. 4 Tissue: The Living Fabric19
- Ch. 5 The Integumentary System10
- Ch. 6 Bones and Skeletal Tissues19
- Ch. 7 The Skeleton11
- Ch. 8 Joints7
- Ch. 9 Muscles and Muscle Tissue26
- Ch. 10 The Muscular System26
- Ch. 11 Fundamentals of the Nervous System and Nervous Tissue23
- Ch. 12 The Central Nervous System26
- Ch. 13 The Peripheral Nervous System and Reflex Activity28
- Ch. 14 The Autonomic Nervous System18
- Ch. 16 The Endocrine System26
- Ch. 17 Blood27
- Ch. 18 The Cardiovascular System: The Heart22
- Ch. 19 The Cardiovascular System: Blood Vessels27
- Ch. 20 The Lymphatic System and Lymphoid Organs and Tissues16
- Ch. 21 The Immune System: Innate and Adaptive Body Defenses29
- Ch. 22 The Respiratory System20
- Ch. 23 The Digestive System30
- Ch. 24 Nutrition, Metabolism, and Energy Balance26
- Ch. 25 The Urinary System25
- Ch. 26 Fluid, Electrolyte, and Acid-Base Balance24
- Ch. 27 The Reproductive System23
Marieb, Hoehn7th EditionHuman Anatomy & PhysiologyISBN: 9780805359091Not the one you use?Change textbook
Chapter 4, Problem 15
John sustained a severe injury during football practice and is told that he has a torn knee cartilage. Can he expect a quick, uneventful recovery? Explain your response.
Verified step by step guidance1
Understand the anatomy of the knee cartilage: The knee contains menisci, which are fibrocartilaginous structures that provide cushioning and stability to the joint.
Recognize the limited blood supply to cartilage: Cartilage, especially the menisci, has a poor blood supply, which is crucial for healing because blood delivers nutrients and cells necessary for tissue repair.
Explain the implications of poor blood supply: Due to this limited vascularization, torn cartilage heals very slowly or may not heal on its own, leading to prolonged recovery times.
Consider the severity and location of the tear: Some tears, especially those in the outer edges of the meniscus where blood supply is slightly better, may heal more effectively, but most severe tears require medical intervention.
Conclude that recovery is often not quick or uneventful: Because of the cartilage's poor healing capacity, John should expect a potentially lengthy recovery process that might involve surgery, physical therapy, and careful rehabilitation.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Knee Cartilage Anatomy and Function
Knee cartilage, primarily the menisci, are C-shaped pads of fibrocartilage that cushion and stabilize the knee joint. They absorb shock and distribute weight during movement, playing a crucial role in joint health and mobility.
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Hyaline Cartilage
Healing Capacity of Cartilage
Cartilage has limited blood supply, which restricts its ability to heal quickly or completely after injury. Unlike other tissues, torn cartilage often requires medical intervention because natural repair is slow and sometimes incomplete.
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Recovery and Treatment of Torn Knee Cartilage
Recovery from a torn knee cartilage depends on the tear's severity and treatment method, which may include rest, physical therapy, or surgery. Healing is often gradual, and a quick, uneventful recovery is unlikely without proper care and rehabilitation.
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Related Practice
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Differentiate between the roles of neurons and the supporting cells of nervous tissue.
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In what ways are adipose tissue and bone similar? How are they different?
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Compare and contrast skeletal, cardiac, and smooth muscle tissue relative to structure, body location, and specific function.
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Textbook Question
Mrs. Delancy went to the local meat market and bought a beef tenderloin (cut from the loin, the region along the steer's caudal vertebral column) and some tripe (cow's stomach). What type of muscle was she preparing to eat in each case?
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