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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Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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