Skeletal System Flashcards
What are the two components of the skeletal system?
- Axial Skeleton and 2. Appendicular Skeleton
Which type of skeleton makes up the head, neck, and trumk?
Axial
Which type of skeleton makes up the limbs and pectoral/pelvic girdles?
Appendicular
What two things make up the skeleton?
Cartilage and Bone
What surrounds the cartilage?
Periosteum
What surrounds the bone?
Perichondrium
What are the two types of cartilage?
Articular and Costal
Which type of cartilage attaches the ribs to the sternum?
Articular
Which type of cartilage is found in the synovial joints?
Costal
What is the relationship of aging and amount of cartilage?
As age increases, cartilage decreases
What type of tissue is cartilage a semi-rigid, resilient form of?
Connective Tissue
What type of connective tissue is a specialized, hardened form?
Bone
What are the [five] functions of bone?
Support, Protection, mechanical basis of movement, storage of salts (Ca), and continuous supply of BCs (marrow)
What are the two types of bone?
Spongy and compact
What is the relationship of spongy bone to compact bone?
All bones have a superficial layer of compact bone around a central mass of spongy bone
Where is marrow synthesized?
Medullary cavity
What type of bone is tubular in shape?
Long bones
What type of bone is cuboidal in shape?
Short bones
What type of bone have various shapes?
Irregular
What type of bone functions primarily for protection?
Flat
What type of bone protects the tendons?
Sesamoid