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Making Sense of Smells A Guide for Understanding Farmstead Odors Part 1: Physiology of Smell Douglas W. Hamilton Waste Management Specialist Biosystems.

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Presentation on theme: "Making Sense of Smells A Guide for Understanding Farmstead Odors Part 1: Physiology of Smell Douglas W. Hamilton Waste Management Specialist Biosystems."— Presentation transcript:

1 Making Sense of Smells A Guide for Understanding Farmstead Odors Part 1: Physiology of Smell Douglas W. Hamilton Waste Management Specialist Biosystems and Agricultural Engineering

2 Five Senses

3 Physical Chemical

4 Five Senses Physical Chemical Touch Hearing Sight

5 Five Senses Physical Chemical Touch Hearing Sight Smell Taste

6 Animal Sense of Smell Vomeronasal Organ Olfactory Organ Trigeminal Nerve © Dr. Michael Meredith www. neuro.fsu.edu

7 Human Sense of Smell Vomeronasal Organ Olfactory Organ Trigeminal Nerve

8 The Human Nose and Olfactory Organ www.news.softpedia.com

9 www.emptynosesyndrome.org Normal Breath

10 www.emptynosesyndrome.org Sniffing Normal Breath

11 www.news.softpedia.com

12 www.emptynosesyndrome.org Breathing Out

13 Scent www.emptynosesyndrome.org

14 Scent Aroma www.emptynosesyndrome.org

15 Olfactory Bulb John C. Leffingwell, Ph.D. www.leffingwell.com

16 Olfactory Receptors Tim Jacobs www.cardiff.ac.uk/biosi

17 Odor Fatigue The longer you smell an odor, the weaker the odor becomes.

18 Olfactory Bulb John C. Leffingwell, Ph.D. www.leffingwell.com

19 Patrick J. Lynch Wikipedia Commons 2 Nov 2007

20 Patrick J. Lynch Wikipedia Commons 2 Nov 2007

21 www.thebrainlabs.com The Limbic System

22 Proust Effect Anonymous Wikipedia Commons 21 Nov 2006

23 Patrick J. Lynch Wikipedia Commons 2 Nov 2007

24 Patrick J. Lynch Wikipedia Commons 2 Nov 2007

25 Patrick J. Lynch Wikipedia Commons 2 Nov 2007

26 Grays Anatomy, 20 ed Wikipedia Commons 23 Jan 2007

27 Grays Anatomy, 20 ed Wikipedia Commons 23 Jan 2007 Opthalmic

28 Grays Anatomy, 20 ed Wikipedia Commons 23 Jan 2007 Opthalmic Maxillary

29 Grays Anatomy, 20 ed Wikipedia Commons 23 Jan 2007 Opthalmic Maxillary Mandibular

30 Some Odorants Sensed through the Trigeminal Nerve

31 Menthol

32 Some Odorants Sensed through the Trigeminal Nerve Menthol Capsaicin

33 Some Odorants Sensed through the Trigeminal Nerve Menthol Capsaicin Acetic Acid

34 Some Odorants Sensed through the Trigeminal Nerve Menthol Capsaicin Acetic Acid Ammonia

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