Key Terms Senses

NORMAL STRUCTURE AND FUNCTION

equilibrium The sense of balance

ë-kwi-LIB-rë-um equilibrium The sense of balance

gustation gus-TA-shun

The sense of taste

hearing

HER-ing

The sense or perception of sound

olfaction ol-FAK-shun

The sense of smell

proprioteption prô-prë-ô-SEP-shun

The awareness of posture, movement, and changes in equilibrium; receptors are located in muscles, tendons, and joints

r_eceptor rë-SEP-tor

A sensory nerve ending or a specialized structure associated with a sensory nerve that responds to a stimulus

tactile

TAK-til

Pertaining to the sense of touch

vision VIZH-un

The sense by which the shape, size, and color of objects are perceived by means of the light they give off

TABLE 18-1 Suffixes Pertaining to the Senses

SUFFIX

MEANING

EXAMPLE

DEFINITION OF EXAMPLE

-esthesia

sensation

cryesthesia kri-es-THE-ze-a

sensitivity to cold

-algesia

pain

hypalgesia* hi-pal-JE-ze-a

decreased sensitivity to pain

-osmia

sense of smell

parosmia par-OS-me-a

abnormal (para-) sense of smell

-geusia

sense of taste

p seu dog eus i a su-do-GU-ze-a

false sense of taste

*Prefix hyp/o.

3i

Exercise 18-1

Define each of the following words:

Write a word that has the same meaning as each of the following definitions:

5. sensitivity to temperature _

6. excess sensitivity to pain _

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