A&P MSK Flashcards
Functions of Skeletal System
Support
Protection
Movement
MIneral Homeistasis
Blood cell Production
Triglyceride Storage
Where is blood cell production in the bone?
Red Bone marrow
Where is triglyceride storage within the bone?
Yellow bone marrow
Types of bones
Long bones
Short bones
Flat bones
Irregular bones
Describe a long bone
longer than wide
ex. thigh, leg, arm, forearm, fingers and toes
Describe short bones
Almost cube shaped
ex. wrist and ankle bones
Describe flat bones
Thin and extensive surface
ex. cranial, sternum, ribs and scapulae
Describe irregular bones
Bones that don’t fit the other categories
ex. vertebrae and facial bones
What are the parts of a long bone?
Diaphysis: shaft
Epiphyses: end
Metaphyses: between diaphysis and epiphysis
What are the cells of the bone
Osteoblasts: building
Osteocytes: maintain
Osteoclasts: digest
What are the types of joint
Fibrous
Cartilaginous
Synovial
Describe a fibrous joint
No cavity, just dense irregular connective tissue
Describe cartilaginous joints
No cavity, bones are held together by cartilage
Describe synovial joints
Have synovial cavity and many other components such as ligaments
What connects bone to bone
ligaments
