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Anatomy & Physiology > Sensory > Flashcards

Flashcards in Sensory Deck (39):
1

What are the general senses ?

1. Visceral sensations 2. Touch 3. Temperature 4. Pain 5. Proprioception

2

What is the process of experiencing pain called?

Nociception

3

What is the sense of body position and movement called?

Proprioception

4

What are the 4 processes that contribute to nociception?

1. Transduction 2. Transmission 3. Modulation 4. Perception

5

Another term for the sense of taste.

Gustatory Sense

6

What are the three ossicles of the ear called?

1. Malleus

2. Incus

3. Stapes

7

What glands produce tears?

Lacrimal glands and the accessory lacrimal glands

8

What four refractive media in the eye help to form a clear image on the retina?

The cornea, the aqueous humor, the lens and he vitreous humor.

9

What function do otoliths have?

They help the macula determine the position of the head.

10

2 categories of temperature receptors

superficial and central 

11

Where is the central temperature receptor located?

hypothalamus

12

3 layers of the eyeball

outer: fibrous layer; the middle: vascular layer; the inner: nervous layer

13

what are the four special senses

taste, smell, hearing, vision

14

the sense of smell is called what ?

olfactory sense

15

what are the three ossicles bones

malleus, incus, stapes

16

What are the four  types of stimuli for sensory receptors? Give an example of each

1. Mechanincal Stimuli example: touch

2. Thermal stimuli example: hot and cold

3. Electromagnetic stimuli example: vision

4. Chemical stimuli example: taste

17

Touch is also know as what?

the tactile sense

18

what is transduction?

the first step in nociception.

The conversion of a painful stimulus to a nerve impulse that happens at the sensory nerve ending.

19

a paper-thin, connective tissue membrane that is tightly stretched across the opening between the external auditory canal and the middle ear cavity

tympanic membrane

20

What sense helps an animal maintain balance by keeping track of position and movements of the head?

equilibrium

21

a thin, transparent memebrane that covers the front portion of the eyeball and lines the interior surfaces of the eyelid

conjunctiva

22

Most of the ear structures are housed within the ____ bones

Temporal.

23

Which photoceptors are sensitive to color and detail?

Cones.

24

The conjunction of the cornea and sclera is called the...?

Limbus.

25

name the 3 parts of the ear

Pina, Middle ear, Inner ear

26


what organ of the ear controls equilibrium.

Semicircular canals

27

What are the lacrimal glands responsible for.

Tear production

28

What is the ring-shaped structure located directly behind the iris?

Ciliary body

29

Nervous impulses from rods and cones pass via the______to the brain.

Optic nerve

30

What are three types of gustatory papillae?

1.Fungiform

2.Foliate

3.Vallate

31

What divides the aqueous compartment? 

Iris

32

How many extraocular muscles do animals have?

7

33

Which extraocular muscle do humans not share with animals and what does it do? 

Retractor Bulbi

Retracts the eye further into the orbit, enhancing the other extraocular muscles

34

Dendrites are called ______

Sensory receptors

35

Pain produces what type of stimulies

Mechanical, chemical, or thermal

36

What ototoxic drugs can cause deafness?

Gentamycin & neomycin

37

What is the T-shaped plate of cartilage covered by the conjunctiva?

The third eyelid

38

What is the seventh extraocular muscle?

The retractor bulbi muscle

39

What are the saclike spaces that make up the vestibule?

The utricle and the saccule