Skeletal System Flashcards
What are the 5 functions of skeletal system
Protection
Support
Movement
Storage
Blood cell production
Long bones
Humorous, tibia and femur
Short bones
Wrist and ankles
Flat bones
Ribs, skull, scapula and sternum
Irregular bones
Vertebrae and facial bones
It is slightly movable compare to bones
Cartilage
Two segments of bone based on location
Axial (located in the center) and appendicular (the sides of our body like arms and legs)
central SHAFT that contains medullary cavities
Diaphysis
The ends of the bones
Epiphysis
where bone grows in Length
Epiphyseal plate
It covers the epiphyses
Articular cartilage
Yellow marrow are called
Adipose
Red marrow are called
Blood forming cells
Diaphysis, Epiphysis and epiphyseal plate are the
Bone structure
The 2 layers of the bone
Periosteum
Endosteum
the DENSE CONNECTIVE TISSUE and the OUTER portion of the bone
Periosteum
the THIN CONNECTIVE TISSUE membrane of the medullary cavity
Endosteum
These are baby cells found in the two layers of the bone
Osteoblast
these are mature osteoblast surrounded by matrix
Osteocytes
these are older cells that helps in bone repair and remodeling. Formed in extracellular matrix called LAMELAe
Osteoclast
the 2 kinds of bone
Compact and Spongy bone
Forms MOST OF DIAPHYSIS of long bones and thinner surfaces of bones
Compact bone
Are found mainly in long bones of epiphyses, the INTERIOR of all other bones
Spongy bone
Other term for bone is called
Ostotesteum
