Ch. 6 test prep Flashcards
What is the primary organ of the skeletal system
Bones
How do we classify bones
Shape
What’s another name for joints
Articulation
Name the functions of the skeletal system
Support, storage, movement, & protection
What do bones protect
organs
How do muscles move bone
Pull
What do bones store
Calcium
Hemo
blood
Blood cell formation
Hemopoiesis
myo
muscle
Where does blood cell formation take place
Myeloid tissue
What is the soft connective tissue inside the hard walls of some bones
Myeloid tissue
What are the 5 types of bones
Sesamoid, flat, long, short, & irregular
Name 2 long bones
femur & tibia
Name 2 short bones
carpal & tarpal
Name 2 flat bones
Sternum & skull
Name 2 irregular bones
vertebrae & sesamoid
Example of a sesamoid
Patella or knee cap
What bone is encapsulated within a tendon
Sesamoid or Patella or knee cap
Name the shaft of the long bone
Diaphysis
Name the hollow area inside the shaft of a long bone
Medullary Cavity
This area contains the soft yellow bone marrow
Medullary Cavity
Name the ends of long bone
Epiphyses
Red bone marrow is found in this part of the long bone
Epiphyses
Where is the spongy bone found
Epiphyses
Name the thin layer of cartilage that covers each epiphyses
Articular Cartilage
What is the purpose of Articular Cartilage
Shock absorber
Name the strong fibrous membrane covering long bones except at the joint surfaces
Periosteum
2 major types of connective tissue in the skeletal system
bone & cartilage
Names for the outer layer of hard bone
Periosteum or Compact bone
Name for the porous bone in the end of long bones
Spongy bone or cancellous bone
What is the needlelike threads of spongy bone that surrounds a network of spaces
Trabeculae
What is the intracellular substance of a tissue in bone it’s calcified & in blood it’s liquid
Calcium
Numerous structural units that are how the matrix of bone is organized
Osteon
Name the ring of calcified matrix surrounding the Haversian canal
Concentric lamella
Name the pathway in bone that contains a blood vessel
Central Canal
osteo
bone
cytes
cells
These are found between the hard layers of the lamellae
osteocytes
Name the spaces where osteocytes are found
lacunae
Nutrients pass from the blood vessel in the Haversian canal to the osteocytes through this
Canaliculi
Chondr
Cartilage
Chondrocytes
Cartilage cells
No blood vessels are found here
Cartilage
bone forming cells
osteoblasts
bone-resorbing cells
osteoclasts