PSYC 2390 Lecture Notes - Lecture 10: Olfactory Bulb, Olfactory Mucosa, Olfactory Receptor

• School: University of Guelph
• Department: Psychology
• Course: PSYC 2390
• Professor: Lana Trick

Document Summary

Is a chemical senses: requires direct contact with what you are sensing, ex. litle molecules of garlic loat into your nose so you can smell it. Substance must give of vapours (shed molecules) so it can be smelled: they must be fat soluble. So it can sick to the olfactory binding protein in the nasal passage. Must be drawn in at a certain rate (30l/min) in order to smell. Brings in the molecules: responsible for sneezing if irritated, nasal cycle. For 2-3 hours let nostril does work, then you switch to the right nostril. The one open wider is the one working. Warms and humidiies the air: bales. An obstacle course for the air, allowing for it to have ime to warm up: hard to smell when is really dry or cold. Olfactory mucosa (epithelium: right and let side area above the nasal cavity, supporing cells. The mucus is what the molecules sick to.