Musculoskeletal System

1
Musculoskeletal System

• Chapter 15

2
Function of MS system

• Structure
• Support
• Protection
• Movement
• Hematopoiesis

3
Joints

• Where bones come together
• Variety

4
Muscles

• Responsible for movement
• Variety

5
Terms

• Orthopedists
• Orth/o straight
• Ped/o chlid
• Rheumatologist
• Rheum/o watery fluid
• ologystudy of
• -istspecialist

6
Another Type of Physician

• D.O
• Doctor of Osteopathy
• Believe that ailments can be cured if the body is
  in alignment
• Chiropractor
• Chir/ohand
• Manipulate spinal column

7
Bones

• Interesting..they are complete organs in and of
  themselves
• Made of a connective tissue called osseous
  tissue
• Have blood vessels and nerves
• Osteocytes, collagen and calcium salts

8
Cartilaginous Tissue

• Looks like a good spelling bee word
• Flexible, less dense
• Less calcium salt in the intercellular spaces
• Fetal development
• Ossification

9
Clasts vs. Blasts

• Blasts produce
• Clasts eat
• Homeostasis
• Osteoblasts produces tissues that will replace
  cartilage in ossification

10
Osteoclasts.

• Will reabsorb bony tissue.
• They are also called bone phagocytes
• They make sure your bones dont get too thick
• Break.blasts build it up and clasts clean up the
  mess

11
Just how, exactly, is bone made?

• You are what you eat
• Calcium
• Phosphorus
• Vitamin D
• The endocrine system is very important to the MS
  system.