skeletal Flashcards
What are the functions of the skeletal system?
Support, movement, protection, and producing red blood cells
What are the components of the skeletal system?
Bones, joints, ligaments, and tendons
which bones are classified as irregular in shape?
vertebrae, sacrum and coccyx
What is the tip of a long bone called?
epiphysis
What type of bones are the carpal bones?
short bones
What type of bone are ribs?
flat bones
What are bones that develop in tendons called?
sesamoid bones
What are small oddly shaped bones that fill gaps between bones of the skull called?
sutural bones
What type of bone is adapted to withstand stresses that arrive from many directions?
spongy bones
What type of bone is the humerus?
long bone
What is the large proximal projection of the femur called?
trochanter
What is a hole through a bone called?
foramen
What is the smooth, rounded articular process of a bone called?
condyle
What is a shallow depression on a bone called?
fossa
What is the region of a long bone between the end and the shaft called?
metaphysis
How would you describe an osteocyte?
most grown bone tissue
What percentage of bone is composed of cells?
2%
What are the cells that secrete the organic components of the bone matrix called?
osteoblasts
What is composed of stem cells that develop into osteoblasts?
osteoprogenitor
What happens due to the action of osteoclasts?
break down old or damaged bone tissue
What is the space occupied by an osteocyte called?
lacuna
Fat is stored within the
adipose tissue
accounts for almost ⅔ of the weight of bone?
calcium phosphate
___cells are located in the inner cellular layer ot the periosteum.
osteoprogenitor
What are the characteristics of bone tissue?
osteoblasts, bone lining cells, osteocytes, and osteoclasts
