Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

6. Bones & Skeletal Tissue

Microscopic Anatomy of Bones - Bone Matrix

Anatomy & Physiology

6. Bones & Skeletal Tissue

Microscopic Anatomy of Bones - Bone Matrix

Previous problemNext problem

2:43 minutes

Problem 15

Textbook Question

List the organic and inorganic components of bone matrix.

Verified step by step guidance

Understand that the bone matrix is composed of both organic and inorganic components, which work together to provide strength and flexibility to bones.

Identify the organic components of the bone matrix. These primarily include collagen fibers (type I collagen), which provide tensile strength and flexibility, and various proteins such as osteocalcin and osteonectin that play roles in bone formation and maintenance.

Identify the inorganic components of the bone matrix. These are primarily composed of hydroxyapatite crystals, a form of calcium phosphate [Ca₁₀(PO₄)₆(OH)₂], which provide compressive strength and rigidity to the bone.

Recognize the importance of the balance between organic and inorganic components. The organic matrix prevents bones from being brittle, while the inorganic matrix ensures bones are strong enough to support weight and resist deformation.

Relate this knowledge to the physiological function of bones, such as their role in structural support, protection of organs, and mineral storage, emphasizing how the composition of the matrix contributes to these functions.

Verified video answer for a similar problem:

This video solution was recommended by our tutors as helpful for the problem above

Video duration:

Play a video:

Was this helpful?

Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Bone Matrix Composition

The bone matrix is a complex structure composed of both organic and inorganic components. The organic part primarily consists of collagen fibers, which provide tensile strength and flexibility, and non-collagenous proteins that play roles in mineralization and cell signaling. The inorganic component mainly consists of hydroxyapatite crystals, which are composed of calcium and phosphate, giving bone its hardness and rigidity.

Organic Components of Bone

The organic components of bone matrix include collagen type I, which forms the structural framework, and various proteins such as osteocalcin and osteopontin that are involved in bone mineralization and regulation. These organic materials are crucial for maintaining the overall integrity and functionality of bone, allowing it to withstand mechanical stress while remaining somewhat flexible.

Inorganic Components of Bone

The inorganic components of bone matrix are primarily made up of mineral salts, predominantly hydroxyapatite, which is a crystalline structure of calcium phosphate. This mineralization process is essential for providing bones with their strength and rigidity, enabling them to support the body and protect vital organs. The balance between organic and inorganic components is vital for bone health and function.

Watch next

Master Bone Matrix with a bite sized video explanation from Bruce Bryan

Start learning

Related Videos

Related Practice

Textbook Question

Mark the following statements about bone tissue as true or false. If a statement is false, correct it to make a true statement.

c. Collagen fibers are one of the predominant parts of the inorganic matrix.

365

views

Textbook Question

Mark the following statements about bone tissue as true or false. If a statement is false, correct it to make a true statement.

d. The collagen fibers of bone help it to resist torsion and tension.

330

views

Textbook Question

The organic portion of matrix is important in providing all but

a. Tensile strength

b. Hardness

c. Ability to resist stretch

d. Flexibility

560

views

Textbook Question

List the four distinctive cell populations of bone tissue.

310

views

Multiple Choice

When Ca²⁺ concentration in the blood becomes lower than normal, __________.

The exceptional hardness of bones is largely due to the presence of __________.

1109

views

Multiple Choice

At her annual checkup, the doctor tells Pilar that she should add leafy greens like spinach and collard greens to her diet to help keep her bones strong. What vitamin or mineral in the vegetables would contribute to bone strength?

If the hydroxyapatites were replaced with more typical gel-like extracellular matrix, how would you expect the bones to be affected?

Download the Mobile app

Privacy

Do not sell my personal information

Accessibility

Patent notice

Sitemap