Skeletal System Flashcards
What is blood cell production?
Hematopoiesis
What hormone regulates bone formation and protects against glucose intolerance and diabetes?
osteocalcin
An average human body consists of?
206 bones
includes 60 bones divided into the skull, vertebral column, and thoracic cage regions
Axial Bones
Bones that help us move around - Shoulder blades, pelvis, limbs
Appendicular Bones
fibula tibia metacarpals
long bones
talus scaphoid
short bones
scapula sternum
flat bones
vertebrae pelvis
irregular bones
internal layer of
compact bone
honey comb area of
spngey bone
honey comb
spongy bone
spongy bone consists of ______ that help the bone resist stress and where you found bone marrow
trabeculae
bone marrow that produces blood cells
RED BONE MARROW
store energy as fat
YELLOW BONE MARROW
The ends of the bone
epiphyses
the middle of the bone
diaphysis
having spongy bone in the center - surrounds a hollow _____________ that’s full of that yellow marrow
medullary cavity
These are cylindrical weight bearing structures that run parallel to the bone’s axis
Osteons
Each one of these concentric tubes or______________
is filled with collage fibers
hold nerves and blood vessels
central canal
they house your osteocytes
lacunae
They mature bone cells that monitor and maintain your bone matrix
osteocyte
bone makers
osteoblasts
bone breakers
osteoclasts
tear down process
resorption
old bone tissue is cleaned out, the osteoclasts then undergo ______
apoptosis
