the action of smelling; the sense of smell we inhale little molecules of what we smell. olfactory...
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USING YOUR SNIFFERBy: Elizabeth, Rashabh,
Andrea and Jernay
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Olfaction • The action of smelling; the sense
of smell
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Process of smelling• We inhale little molecules of what we
smell.• Olfactory receptor cells are activated by
inhaled molecules, and they send electrical signals to the brain.
• Signals are relayed via converged axons.
• Signals are then transmitted to higher regions of the brain for interpretation.
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Olfactory Anatomy
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Anosmic / Hyposmia • Loss of smell or decreased ability
to smell
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Nasal cavity • Either of the two cavities lying
between the floor of the cranium and the roof of the mouth and extending from the face to the pharynx
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Aromatherapy • The use of aromatic plant extracts
and essential oils in massage or baths.
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Smell affecting Memories and Emotions
• There’s a connection between the smelling centers and centers that are associated with memory and emotion.
• So, certain odors have the ability to help you recall events and emotions.
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Pheromones• They are chemical substances
produced and released into the environment by an animal or insect, they affect the behavior of others of its species.
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TYPES OF PHEROMONES
Tee hee
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Releasers• Cause immediate responses and
are usually linked to sexual attraction
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Primers• Their responses are slower. They
influence development or reproduction physiology, such as menstrual cycles, puberty and success/failure in pregnancy.
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Signalers• Provide information by giving out
genetic odor prints.
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Modulators• Alter and Synchronize body
functions, usually found in sweat. They could also affect the menstrual cycle.