Skeletal System

I. Introduction

A. Defining Characteristics

1. Type of connective tissue

2. Resists compressive forces

3. Continually remodeled

4. Compact vs. Cancellous

Why?

B. Functions

1. Support

2. Levers for movement

3. Protection

4. House Hematopoetic tissue

5. Storage for Fat, Calcium, and Phosphate

II. Osseous TissueA. Classes of bone by

shape

1. Long

2. Short

3. Flat

4. Irregular

5. Sesamoid

Figure6.2

B. Gross structure of bone

Figure 6.3

C. Bone Features

1. Markings

1. Markings

D. Bone Cells

1. Osteoprogenitor Cell

a. Location

b. Shape

c. Function

2. Osteoblasta.

Locationb. Shape

c. Function

3. Osteocytesa.

Locationb. Shape

c. Function

4. Osteoclastsa.

Locationb. Shape

c. Function

E. Microscopic Structure

1. Compact bonea.

Organizationb. Vascularization

c. Function

Figure 6.7

2. Spongy or Cancellous bonea.

Organizationb. Vascularization

c. Function

Figure 6.5

F. Bone Development (Ossification)

1. Membrane bone formationa. Process b.

Sitesc. Hormones

Figure 6.8

2. Endochondral bone formationa. Process

Figure 6.9

2. Endochondral bone formationa. Process b.

Sitesc. Hormones

Figure 6.9

G. Bone Repair

1. Causes

2. Process

3. Hormones

Figure 6.15

III. SkeletonA.

Divisions

1. Axial

2. Appendicular

IV. Problems

A. Osteoporosisa.

Definitionb. Treatment

2. Fracturesa. Definition

2. Fractures b.

Treatment

3. Ricketsa. Definition b.

Treatment

4. Abnormal spinal curvaturesa. Definition b.

Treatment

Is knowledge enough?