Chapter 6 Skeletal System

There are ___ lumbar vertebrae

5

There are ____ sacral vertebrae fused into 1

5

there are ____ cervical vertebrae

7

flexion

decrease angle

An articulation or joint that has free movement is

diarthrosis

A exaggerated curve seen in the thoracic portion of the vertebrae that gives an appearance of hump back is called

kyphosis

An exaggerated curve seen in the lumbar region seen often with pregnancy is known as

lordosis

Bone cell that builds bone

osteoblast

Bone cell that breaks down bone is an

osteoclast

A mature bone cell know known as

osteocyte

An excessive loss of calcium from bones without sufficient replacement is known as

osteoporosis

Fracture of a bone where the broken part is still in normal anatomic position is

simple

There are 4 or 5 coccygeal vertebrae fused into ___ coccyx

1

There are ___ thoracic vertebrae

12

There are ____ pair of ribs

12

A type of disease seen in children related to calcium and Vitamin D deficiency is known as

Ricket's

movement away from the midline of the body

abduction

movement towards the midline of the body

adduction

An articulation or joint that has a little or slight movement is

amphiarthrosis

femur

ball and socket

A fracture where two or more intersecting breaks create several bone fragments is

comminuted

A fracture where the broken end of the bone has been moved, and it pierces the skin

compound

mandible

condyloid

martacarpals

gliding

A fracture where the bone splits longitudinally is called

greenstick

ulna/humerus

hinge

A fracture where the broken ends of the bone are forced into one another is

impacted

head

pivot

rotation on an axis

pivot

A function of the skeletal system is

provides a framework that supports the body Contains and protects red bone marrow Provides a storage sight for excess calcium Protects some internal organs from mechanical energy

thumb

saddle

A lateral curvature of the spine is known as

scoliosis

An articulation or joint that has no movement is

synarthrosis