Chapter 11 Geriatric Radiographic Considerations - Terms

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1

Actinic keratosis

A slow, localized thickening of the outer layers of the skin as a result of chronic, excessive exposure to the sun

2

Adduct

To draw toward a center, or median, line

3

Alzheimer disease

An illness characterized by dementia, confusion, memory failure, disorientation, restlessness, speech disturbances, and an inability to carry out purposeful movements; onset usually occurs in persons aged 55 or older

4

Arthroplasty

Plastic repair of a joint

5

Baroreceptor

A sensory nerve terminal that is stimulated by changes in pressure

6

Dementia

Organic mental syndrome characterized by general loss of intellectual abilities and involving impairment of memory, judgment, and abstract thinking

7

Depression

A morbid sadness, dejection, or melancholy

8

Geriatrics

The branch of medicine that deals with all aspects of aging, including pathological and social problems

9

Hallucination

A sensory impression (sight, sound, touch, smell, or taste) that has no basis in external stimulation

10

Kyphosis

An abnormal condition of the vertebral column in which there is increased convexity in the curvature of the thoracic spine

11

Lentigines

Round, flat, brown, highly pigmented spots on the skin caused by increased deposition of melanin; often occurs on the exposed skin of the elderly

12

Macule

A small, flat blemish or discoloration that is flush with the skin surface

13

Polypharmacy

Administration of excessive medications or of many drugs together

14

Presbyopia

Loss of ability to focus on near objects

15

Prosthesis

An artificial substitute for a missing part

16

Urinary incontinence

Inability to control urinary functions