Skeletal System Flashcards
What are the five major types of bone?
Long, short, flat, sesmoid, irregular
What are the 5 functions of the skeletal system?
Support, protection, body movement, blood cell formation, stores inorganic minerals
Anatomical name for the shaft of a long bone
Diaphysis
Anatomical name for the ends of a long bone
Epiphysis
A band of cartilage that remains between two ossification centers; growth plate
Epiphyseal plate
Site of spongy bone in an adult?
Epiphysis?
Cartilage that covers the ends of long bones at the joints; provides a gliding surface on bones
Hyaline cartilage
Site of compact bone in an adult?
Diaphysis
Site of hematopoiesis?
Red marrow
Formation of blood cells
Hematopoiesis
Site of fat storage
yellow marrow
site of longitudinal growth in a child
epiphyseal plates
Why do bone injuries heal faster than cartilage injuries?
bones have a higher blood supply which contains more nutrients to heal
Bone cells
osteocytes
where are osteocytes located?
lacunae
Immature or matrix-depositing bone cells
osteoblast
Bone cells that liquefy bone matrix and release calcium to the blood
osteoclast