Chpt 5

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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


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