Chapter 6 A&P

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A hole through a bone is termed a?

Foramen

A shallow depression on a bone is termed a?

Fossa

Excessive growth hormone prior to puberty could result in?

Giantism

In bone, the calcium phosphate forms crystals of ________.

Hydroxyapatite

Small, oddly shaped bones that fill gaps between bones of the skull are called _____ bones.

Sutural

The large proximal projection on the femur is termed the?

Trochanter

The adult skeleton contains ________ major bones.

206

A child with rickets often has?

Bowed legs

Stem cells that can differentiate into osteoblasts are called ________ cells.

***Osteoprogenitor

Which of the following is a function of the skeletal system?

*Protection of Internal organs *Calcium homeostasis *Body support *Blood cell production

Put the following steps of bone repair in correct sequence: 1. Cartilage in the external callus is replaced by bone. 2. A hematoma occurs. 3. An internal callus forms at the site of injury. 4. Osteoclasts remodel the bone at the site of repair.

2,3,1,4

The narrow passageways that contain cytoplasmic extensions of osteocytes are called?

Canaliculi

The smooth, rounded articular process of a bone is termed a?

Condyle

The lining of the medullary cavity is called the?

Endosteum

The tip of a long bone is called the?

Epiphysis

A rib is an example of a ______ bone.

Flat

The space occupied by an osteocyte is called a?

Lacuna

The humerus is an example of a(n) ________ bone.

Long

Fat is stored within the?

Medullary cavity

Cells that secrete the organic components of the bone matrix are called?

Osteoblasts

Cells that free calcium from bone to maintain blood calcium levels are called ________.

Osteoclasts

The most abundant cell type in bone is?

Osteocytes

The structural units of mature compact bone are called?

Osteons

Bones that develop within tendons are called _____ bones.

Sesamoid

The carpal bones are examples of ______ bones.

Short


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