Option B Human Musculoskeletal Anatomy

Question 1

In embryos, what germ layer does connective/skeletal tissue develop from?

Answer 1

Mesoderm

Question 2

What are the 3 types of cartilage?

Answer 2

Hyaline
White fibrous (fibrocartilage)
Yellow elastic

Question 3

What cells are cartilage made up of?

Answer 3

Chondrocytes that secrete an extra cellular matrix made of collagen & elastin

Question 4

How does cartilage cells (chondrocytes) obtain nutrients/gases?

Answer 4

Diffusion, but slow rate means healing is slow

Question 5

What are the properties and function of hyaline cartilage?

Answer 5

Model for bone development in foetal development, prevents friction. Matrix containing collagen fibres. Located in tracheal rings and larynx.

Question 6

What are the properties and functions of white fibrous cartilage?

Answer 6

Supports load bearing mechanisms with great tensile strength. Matrix contains collagen fibres arranged parallel to direction of stress. Located in intervertebral discs.