BMS181 Skeletal System

Skeletal System

By Natalia Bilton

Multiple Select

What functions do bones provide in the body?

Select all that apply

• Support: scaffold for soft tissues

• Movement: muscles pull on bones

• Protection: surround soft tissues

• Haematopoiesis: production of blood cells and platelets

• Storage: mineral and energy storage

Identify bones of the skeleton with the laminated cards.

Use the disarticulated skeleton to assemble a skeleton in the anatomical position

Rotation Activities

Observe the chicken bones provided and record your observations.

Observe the long bone and record your observations.

Now its time to answer some questions

Multiple Choice

What substance is damaged by baking the bone?

• collagen

• minerals

Multiple Choice

What substance is removed by soaking the bone in acid?

• collagen

• minerals

Multiple Choice

What substance makes bones bendy?

• collagen

• minerals

Multiple Choice

What substance makes bones hard?

• collagen

• minerals

Multiple Choice

Identify 1:

• Proximal Epiphysis

• Diaphysis

• Distal Epiphysis

• Epiphyseal Line

Multiple Choice

Identify 2

• Proximal Epiphysis

• Diaphysis

• Distal Epiphysis

• Epiphyseal Line

Multiple Choice

Identify 3

• Proximal Epiphysis

• Diaphysis

• Distal Epiphysis

• Epiphyseal Line

Multiple Choice

Identify 4

• Articular Cartilage

• Proximal Epiphysis

• Distal Epiphysis

• Epiphyseal Line

Multiple Choice

Identify 5

• Spongy Bone

• Compact Bone

• Articular Cartilage

• Epiphyseal Line

Multiple Choice

Identify 6

• Spongy Bone

• Compact Bone

• Articular Cartilage

• Epiphyseal Line

Multiple Choice

Identify 7

• Medullary Cavity

• Compact Bone

• Yellow Marrow

• Periosteum

Multiple Choice

Identify 8

• Medullary Cavity

• Compact Bone

• Yellow Marrow

• Periosteum

Multiple Choice

Identify 9

• Medullary Cavity

• Compact Bone

• Yellow Marrow

• Periosteum

Bone Tissue Labelling Help

1. go to the csu library https://library.csu.edu.au/

2. click on A-Z databases

3. click on A then Anatomy TV (Primal Pictures)

4. click on Anatomy and physiology on the left-hand side of the screen

5. click on Skeletal System then go into Microanatomy of bone and cartilage

6. scrolling down and using as many images as you need, use your cursor to highlight each structure and to identify each part of bone tissue

​Solve this concept map.

​Concept map answers
A) dense fibrous connective tissue
B) three
C) gomphosis
D) immovable
E) cartilage (hyaline or fibro)
F) two
G) synchondroses
H) symphysis
I) capsule
J) six
K) the six types of synovial joints are planar, hinge, pivot, condyloid, saddle, and ball-and-socket. They are all freely movable.

Identify bones of the skeleton with the laminated cards.

Use the disarticulated skeleton to assemble a skeleton in the anatomical position

Rotation Activities

Observe the chicken bones provided and record your observations.

Observe the long bone and record your observations.

​Intramembranous ossification is a process by which flat bones are formed.


Lets draw this process out!


The process begins with mesenchymal cells aggregating within various regions of tissue.

Once aggregated the mesenchymal cells differentiate into osteoblasts.

After some time the aggregated osteoblasts begin secreting a bone matrix which becomes mineralized due to the deposition of calcium via the blood vessels.

Reorder

Reorder the following to describe the process of intramembraneous ossification

• Stem cells get together

• Stem cells turn into osteoblasts

• Osteoblasts secrete bone matrix

1

2

3

• 1
• 2
• 3

​Endochondral ossification is a process by which long, short and irregular bones are formed.

Lets draw this process out!

The process begins with mesenchymal cells aggregating within various regions of tissue.

Once aggregated the mesenchymal cells differentiate into chondrocytes.

The chondrocytes secrete cartilage then they die.

Blood vessel invasion brings osteoblasts and osteoclasts.


Osteoclasts munch away at the cartilage (and dead chondrocytes) as the osteoblasts gradually the cartilage model with bone.

Reorder

Reorder the following to describe the process of endochondral ossification

• Stem cells get together

• Stem cells turn into chondrocytes

• Chondrocytes make cartilage

• Blood vessels bring osteoblasts and osteoclasts to the area

• Osteoblasts lay down bone matrix whilst osteoclasts get rid of the cartilage

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5