1. Special Senses
Chemical Senses

2. Olfaction

3. Nasal Cavity

4. Nasal Bones: Models

5. Nasal Bone: Drawings

6. Nasal Cavity Lining

7. Olfactory Epithelium Location

8. Olfactory Mucosa Olfactory Receptor Cells (OC) Basal Cells (BC)
Sustentacular Cells (SC)

9. Olfactory Bulb

10. Olfactory Modalities Aromatic Fragrant Repulsive Ethereal Resinous
Spicy
Burned
Putrid
Gaseous or Volatile Liquids
16 Chemical Elements produce Odor Sensation

11. Smell Physiology

12. Olfactory Tract

13. CN I and Rhinencephalon

14. CN 1 entering
Base of brain at
Olfactory Gyrus

15. Olfaction and the Limbic System

16. Gustation

17. Tongue Anatomy

19. Tongue Papilla

20. Taste Bud Histology

21. Taste Bud Stimulus

22. Taste Maps Sweet Sour Salty Bitter Responds to sugars Responds to AA
Responds to H+
Salty
Responds to NaCl, salts
Responds to metal ions
Bitter
Responds to alkaloids

23. Areas of Innervation

24. Temperature
Concentration
Order
Interaction
Taste Sensations

25. Nerves for Taste: CN VII, IX, XII
Chorda tympani of CN 7
Lingual Branch of CN 9
Pharyngeal Branch of CN 10
Myelinated Delta A fibers go to the Nucleus Tractus Solitarius  Thalamus  Parietal Lobe

26. Gustatory Pathway CN VII, IX, X Medulla Thalamus
Parietal Lobe: Gustatory Cortex

27. Effects on Taste Smell Temperature of food Texture of food
Visual appearance of food

28. Problems
Glossitis
Cancer of the Tongue