skeletal intro

bones in head, neck, back and chest

shoulders, pelvis and limbs, including arms,

hands, legs and feet.

● Smooth and dense

● Forms shaft of long bones and outside layer of other bones

○ E.g. Humerus

• compact bone

• spongy bone

● Contains spaces

● Spongy sections contain bone marrow

• compact bone

• spongy bone

● Found in flat bones of sternum, ribs, and ileum

● Produces blood cells and hemoglobin

• red bone marrow

• yellow bone marrow

● Found in shaft of long bones

● Contains fat and connective tissue

• red bone marrow

• yellow bone marrow

● Immovable (e.g., skull)

● Fibrous joints

• Synarthrosis

• Amphiarthrosis

• Diarthrosis or synovial

● Slightly movable (e.g., vertebral joints)

● Cartilaginous joints

• Synarthrosis

• Amphiarthrosis

• Diarthrosis or synovial

● Freely movable (e.g., shoulders, hips)

● Synovial joints

• Synarthrosis

• Amphiarthrosis

• Diarthrosis or synovial

○ Found at all limb articulations

○ Surface covered with cartilage

○ Joint cavity covered with tough fibrous capsule

○ Cavity lined with synovial membrane and filled with synovial fluid

• Synarthrosis

• Amphiarthrosis

• Diarthrosis or synovial