Domanda del libro di testo
What are the functional relationships between the skeleton, on the one hand, and the digestive and urinary systems, on the other?
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Ch. 6 Bones and Bone Structure
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089
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TOC.tableOfContents
- Ch. 1 An Introduction to Anatomy and Physiology26
- Ch. 2 The Chemical Level of Organization34
- Ch. 3 The Cellular Level of Organization30
- Ch. 4 The Tissue Level of Organization24
- Ch. 5 The Integumentary System17
- Ch. 6 Bones and Bone Structure36
- Ch. 7 The Axial Skeleton11
- Ch. 8 The Appendicular Skeleton17
- Ch. 9 Joints13
- Ch. 10 Muscle Tissue12
- Ch. 11 The Muscular System28
- Ch. 12 Nervous Tissue18
- Ch. 13 The Spinal Cord, Spinal Nerves, and Spinal Reflexes22
- Ch. 14 The Brain and Cranial Nerves20
- Ch. 15 Sensory Pathways and the Somatic Nervous System17
- Ch. 16 The Autonomic Nervous System and Higher-Order Functions30
- Ch. 17 The Special Senses16
- Ch. 18 The Endocrine System20
- Ch. 19 Blood31
- Ch. 20 The Heart31
- Ch. 21 Blood Vessels and Circulation29
- Ch. 22 The Lymphatic System and Immunity31
- Ch. 23 The Respiratory System12
- Ch. 24 The Digestive System18
- Ch. 26 The Urinary System31
- Ch. 27 Fluids & Electrolytes32
- Ch. 28 The Reproductive System12
- Ch. 29 Development and Inheritance23
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089Non è quello che usi tu?Cambia libro di testo
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Martini, Nath, Bartholomew 11th EditionCh. 6 Bones and Bone StructureProblema 24
Martini, Nath, Bartholomew 11th EditionCh. 6 Bones and Bone StructureProblema 24Capitolo 6, Problema 24
Why does a second fracture in the same bone tend to occur at a site different from that of the first fracture?
Guida verificata passo dopo passo1
Understand that when a bone fractures, the healing process involves the formation of a callus and remodeling of the bone tissue at the fracture site, which changes the bone's structural properties locally.
Recognize that the area of the first fracture undergoes repair, which can lead to increased bone density and strength at that site compared to the surrounding bone.
Consider that the bone's mechanical stress distribution changes after the first fracture and healing, often causing stress to be transferred to other, less reinforced areas of the bone.
Realize that these new stress concentrations make other parts of the bone more susceptible to fractures, which is why a second fracture tends to occur at a different site.
Summarize that the combination of localized healing, altered bone strength, and redistributed mechanical forces explains why subsequent fractures usually happen away from the original fracture site.
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Bone Healing and Remodeling
After a fracture, the bone undergoes a healing process involving inflammation, repair, and remodeling. During remodeling, new bone tissue replaces the damaged area, restoring strength but often altering the bone's internal structure, which can influence where future fractures occur.
Video consigliato:
06:31
Intro to Bones
Stress Distribution in Bones
Bones experience mechanical stresses during daily activities. After a fracture, the healed area may have altered stiffness or strength, causing stress to be redistributed to other parts of the bone. This shift in stress concentration can make different sites more susceptible to subsequent fractures.
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4:19Introduction to Bone Cells
Bone Microarchitecture and Weak Points
Bone is composed of cortical and trabecular structures with varying density and strength. Areas adjacent to a healed fracture might develop microstructural weaknesses or changes, while other regions may remain vulnerable, leading to a second fracture occurring at a different site.
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1:57Microscopic Anatomy of Bones - Bone Cells Example 2
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Why do extended periods of inactivity cause degenerative changes in the skeleton?
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While playing on her swing set, 10-year-old Sally falls and breaks her right leg. At the emergency room, the doctor tells her parents that the proximal end of the tibia where the epiphysis meets the diaphysis is fractured. The fracture is properly set and eventually heals. During a routine physical when she is 18, Sally learns that her right leg is 2 cm shorter than her left, probably because of her accident. What might account for this difference?
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Why would a physician be concerned about the growth patterns of a young child request an x-ray of the hand?
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Which of the following conditions would you possibly observe in a child who is suffering from rickets?
(a) Abnormally short limbs
(b) Abnormally long limbs
(c) Oversized facial bones
(d) Bowed legs
(e) Weak, brittle bones
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Domanda del libro di testo
The process of bone growth at the epiphyseal cartilage is similar to:
(a) Intramembranous ossification
(b) Endochondral ossification
(c) The process of osteopenia
(d) The process of healing a fracture
(e) The process of calcification
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