Domanda del libro di testo
The disorder in which bones are porous and thin but bone composition is normal is
a. Osteomalacia
b. Osteoporosis
c. Paget's disease
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Ch. 6 Bones and Skeletal Tissues
Marieb, Hoehn11th EditionHuman Anatomy & PhysiologyISBN: 9780136874034
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TOC.tableOfContents
- Ch. 1 The Human Body: An Orientation24
- Ch. 2 Chemistry Comes Alive25
- Ch. 3 Cells: The Living Units21
- Ch. 4 Tissue: The Living Fabric20
- Ch. 5 The Integumentary System11
- Ch. 6 Bones and Skeletal Tissues19
- Ch. 7 The Skeleton14
- Ch. 8 Joints7
- Ch. 9 Muscles and Muscle Tissue26
- Ch. 10 The Muscular System26
- Ch. 11 Fundamentals of the Nervous System and Nervous Tissue19
- Ch. 12 The Central Nervous System26
- Ch. 13 The Peripheral Nervous System and Reflex Activity32
- Ch. 14 The Autonomic Nervous System19
- Ch. 15 The Special Senses26
- Ch. 16 The Endocrine System23
- Ch. 17 Blood25
- Ch. 18 The Cardiovascular System: The Heart24
- Ch. 19 The Cardiovascular System: Blood Vessels27
- Ch. 20 The Lymphatic System and Lymphoid Organs and Tissues14
- Ch. 21 The Immune System: Innate and Adaptive Body Defenses27
- Ch. 22 The Respiratory System21
- Ch. 23 The Digestive System31
- Ch. 24 Nutrition, Metabolism, and Energy Balance26
- Ch. 25 The Urinary System26
- Ch. 26 Fluid, Electrolyte, and Acid-Base Balance24
- Ch. 27 The Reproductive System24
- Ch. 28 Pregnancy and Human Development25
- Ch. 29 Heredity11
Marieb, Hoehn11th EditionHuman Anatomy & PhysiologyISBN: 9780136874034Non è quello che usi tu?Cambia libro di testo
Capitolo 6, Problema 10
Describe in proper sequence the events of endochondral ossification in a long bone.
Guida verificata passo dopo passo1
Begin by understanding that endochondral ossification is the process by which long bones develop from a cartilage template, specifically hyaline cartilage.
Step 1: The cartilage model grows in size, and chondrocytes (cartilage cells) in the center of the diaphysis (shaft) enlarge and then die, creating a cavity; this is called the primary ossification center formation.
Step 2: Blood vessels invade the cavity, bringing osteoblasts (bone-forming cells) that start depositing bone matrix over the remnants of calcified cartilage, forming the bone collar around the diaphysis.
Step 3: The primary ossification center expands toward the epiphyses (ends of the bone), replacing cartilage with spongy bone, while the periosteum forms on the outside.
Step 4: Secondary ossification centers develop in the epiphyses after birth, where similar processes occur but spongy bone remains inside, and the epiphyseal plate (growth plate) remains between the diaphysis and epiphysis to allow for continued lengthwise growth.
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Endochondral Ossification
Endochondral ossification is the process by which growing cartilage is systematically replaced by bone to form the long bones of the body. It involves the transformation of a cartilage template into bone tissue, essential for the development and growth of the skeletal system.
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Percorso guidato
02:23
Structural Class: Cartilaginous Joints Example 1
Stages of Endochondral Ossification
The process occurs in a specific sequence: formation of cartilage model, development of the primary ossification center, vascular invasion, formation of the medullary cavity, development of secondary ossification centers, and finally, formation of articular cartilage and epiphyseal plate. Each stage is critical for proper bone formation.
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Percorso guidato
02:28Stages of Aerobic Cellular Respiration
Role of Chondrocytes and Osteoblasts
Chondrocytes initially produce the cartilage matrix and later undergo hypertrophy and apoptosis, signaling bone formation. Osteoblasts then invade the area to deposit bone matrix, replacing cartilage with bone. The coordinated activity of these cells drives the ossification process.
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4:34Osteoclasts
Pratica correlata
Domanda del libro di testo
A bone with approximately the same width, length, and height is most likely:
a. A long bone
b. A short bone
c. A flat bone
d. An irregular bone
863
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2
rank
Domanda del libro di testo
Wolff's law is concerned with:
a. Calcium homeostasis of the blood
b. The shape of a bone being determined by mechanical stresses placed on it
c. The electrical charge on bone surfaces
1113
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1
rank
Domanda del libro di testo
Osteocytes residing in lacunae of osteons of healthy compact bone are located quite a distance from the blood vessels in the central canals, yet they are well nourished. How can this be explained?
1231
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Domanda del libro di testo
Formation of the bony callus in fracture repair is followed by:
a. Hematoma formation
b. Fibrocartilaginous callus formation
c. Bone remodeling
d. Formation of granulation tissue
639
views
Domanda del libro di testo
As we grow, our long bones increase in diameter, but the thickness of the compact bone of the shaft remains relatively constant. Explain this phenomenon.
1026
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