ANATOMY AND PHYSIOLOGY CH 8: SPECIAL SENSES Review

1.Transparent covering over the anterior portion of the eye.
2.Biconcave, flexible eye structure used to focus light on the retina
3.Taste elicited by bases
4.Olfactory receptor cells are unique because they are the only neurons known to undergo ______through out adult life.
5.Projections on the tongue which contain taste buds
6.Antibacterial enzyme in tears
7.The higher the concentration of a given chemical the more _____ its taste.
8.The mucous found on olfactory receptors keeps the olfactory membrane moist and serves as a ______for the odor molecules.
9.Large, complex sensory organs or small, localized clusters of receptors
10.______is the sense of smell
11.Taste elicited by acids.
12.The pigmented layer of the eye also called the vascular tunic
13.Part of tongue on which you taste "sweet"
14.Visible, colored part of the eye
15.Sensory receptor for taste
16.The ____ is a delicate membrane that lines the inner surfaces of the eyelids.
17.Taste triggers reflexes involved in ______
18.Three types of cells found in taste buds
19.____ % of all sensory receptors in the body are in the eyes.
20.The gland that produces tears.
21.The _____ or sensory tunic of the eye which contains photoreceptors
22.Receptors for taste and smell
23.Bright light, color receptors.
24.Accessory structures of the eye that prevent sweat from trickling into the eyes and shade the eyes.
25.Dim light visual receptors.

Label Diagrams

!!!! Know Vocabulary !!!

1. Name & describe the parts of the fibrous tunic of the eye.

2. Where are the photoreceptors of the eye located?

3. Where on the tongue do you sense each of the following: sweet, bitter, sour, salty.

4. Where are the taste bud located?

5. What is the lacrimal apparatus & what does it produce?

6. What fills the middle ear? What fills the inner ear?

7. What causes myopia? What causes hyperopia?

8. Lacrimal fluid contains a protective enzyme. What is the function & name of this enzyme?

9. What do free nerve endings consist of? What do they detect?

10. In order to taste a substance it must be ______.

11. Trace the flow of sound waves as they travel from outside the ear to the auditory nerve.

12. Classify each of the following senses as being photoreceptors, chemoreceptors or mechanoreceptors: hearing, pressure, touch, equilibrium, light, taste, smell.

13. Differentiate between aqueous humor & vitrous humor.

14. What is the function of the Eustachian tube? Of the tampanic membrane?

15. What is the “blind spot”?

16. What is the function of the cilliary process of the eye/

2