Chpt 5
spine
A sharp or pointed process is a _____.
osteocytes
As osteoid is produced and then mineralized to form mature bone matrix, osteoblasts become trapped in small gaps called lacunae. After becoming trapped, these cells are known as __________.
Osteoclasts dissolve bone matrix, whereas osteoblasts deposit bone matrix into the bones.
How do the functions of the osteoclasts and osteoblasts differ?
hyaline cartilage
In endochondral ossification, a __________ model is converted into bone tissue by the activity of osteoblasts. This type of ossification is involved in the formation of most bones in the limbs and the main trunk of the body.
diaphysis; epiphysis
In long bones, endochondral ossification involves first the formation of a bone collar and a primary ossification center in the __________ and then subsequently, the formation of a secondary ossification center in each __________.
Dermis
Intramembranous ossification begins when aggregated mesenchymal cells differentiate into osteoblasts, which then produce osteoid. This process takes place in the dense irregular connective tissue of the __________.
spongy (cancellous) bone
Intramembranous ossification results initially in the formation of a region of __________, which is composed of bony spicules perforated by numerous channels through which blood vessels pass.
Which of the following is true of the periosteum?
It contains Sharpey's fibers, which are perforating collagen fibers that help bond tendons to bones.
a chamber within a bone that is normally filled with air
Madelynn has a sinus headache. The term sinus is actually an anatomical term referring to which kind of bone marking?
diaphysis
The shaft of a long bone is known as the __________.
a fracture hematoma
When a bone is broken, a blood clot develops. The name for this clot is __________.
femur
Which bone has a trochanter?
bone with an epiphyseal plate
Which of the following bones would potentially be able to grow longer?
production of melanin
Which of the following is NOT a function of the skeletal system?
trochlea - a grooved process that is shaped like a pulley
Which of the following is correctly matched?
foramen
Which of the following terms refers to a rounded passageway for blood vessels or nerves?
foramen
hole or opening