Medical Terminology Simplified

10–18 Identify the four types of bones described in Frame 10–17.

Cube-shaped bones of the wrists, ankles, and toes are the

____________________ ____________________.

Broad bones in the shoulders and ribs are the

__________ ____________________.

Certain bones of the ears and the bones of the vertebrae are the

____________________ ____________________.

Type of bones that are longer than they are wide and slightly curved are known as

__________ ____________________.

10–19 Typically, long bones are found in the extremities of the body. The main

elongated portion of such a bone, the (1) diaphysis,is composed of several tissue

layers: the thin fibrous outer membrane, the (2) periosteum,the thick layer of hard

(3) compact bone,and the inner (4) medullary cavity.Label the parts of the long

bone in Figure 10–4.

Frame 10–16to Frame 10–19

Skeletal System • CHAPTER 10 467

short bones

flat bones

irregular bones

long bones

(6)

(5)

(3)

(4)

(2)

(7)

(1)

Figure 10-4Longitudinal section of a long bone (femur) and interior bone structure.