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Chapter 8   Lecture 3: Special Senses  “ If I could make you dead with my mind …..I would…”  -What happens in Vegas
Smell and Taste   Disclaimer:  Included in this presentation are  pictures and or images you will not find in your book, make note of the information and move on.  Working smarter is not working harder.   “ Is that perfume and alcohol I smell…and  fear  in your eyes?!?!?” -My better half the night before college graduation My Life on the Couch
This lecture was brought to you today by our sponsors. Humans against Humans that use Snuggies The Boa-Constrictor Snuggie The ITSOUT_NowRun Snuggie Join the fight
Did you know? If you try to taste an orange juice and a grapefruit juice with your eyes closed. You won't be able to tell the difference . The entire body of an earthworm is covered with chemoreceptors.  (It Tastes the dirt…literally) Blowflies taste with 3,000 sensory hairs on their feet.
Did you know? The silkworm moth can detect pheromones up to  11 km. away !  (almost 7 miles for us Yanks) The term for Human Flesh is  "Long-Pig"   (Because it tastes like Salty Pork) The Ave Life of a Taste Bud is 10 days.  (then they’re replaced by tentacles) Don't Ask...
Smell: Olfactory   Make note of these Structures
Smell: Outside    In   Mucus layer:  Is the layer of SNOT (anatomical term) that traps chemicals that are the smell particles  Olfactory hairs:  Extensions of the Receptor Cells receive the chemicals   Olfactory Filaments:  Just like a Telephone wire send the message to the Olfactory Bulb  Signal Direction
Smell: Outside    In   Olfactory Bulb:  Is large and collects the signals and relays them to the Tract  Olfactory Tract:  (Cranial Nerve I) Gathers the signals and tells the brain there is a stink in the air.   Limbic System:  Emotional-visceral portion of the brain interprets the info:  “ I have not showered in 3 days make excuse to leave room and do so.”   *self-note use Loofah*   Signal Direction
Smell: The Breakdown  The Boiled Stench of Skunk Stink is Sprayed   The Signal is gathered by the  Olfactory Bulb   Olfactory Receptors  pick up the Chemicals  The Signal is Relayed through the  Cribiform Plate by the Olfactory Filaments  (remember the holes in the skull?) Signal is sent down  Cranial Nerve I   (The Olfactory Tract) The Brain Translates this using the  Limbic System Damn Skunk!!   You go Man vs. Wild and trap, skin and eat the sucker! And the World is good again…
Taste: Taste   Make note of these Structures
Taste: Outside    In  Tongue:  Home of the Taste Buds (only 2/3 is seen) *contains roughly 6 muscles*  Taste Buds:  Number Around 10,000 and cover 2/3’s the tongue.   Papilla:  2 Kinds  Fungiform (Most Numerous)  & Circumvallate
Taste: Outside    In   Gustatory Hairs:  Stimulation of these long microvilli send a signal to larger cells. Gustatory Cells:  Signal from the Hairs send a wave of depolarization to sensory nerves.   Sensory Nerves:  Cranial Nerves VII, IX & X (7, 9 & 10: for those of you not Roman) are stimulated.
Taste: The Breakdown  Your favorite brand of Sea Lion Manapua is eaten   The Signal is gathered by the  Sensory Nerves   Saliva:  Breaks down the material & you chew The material is sent to the  Taste buds  Signal is sent down  Cranial Nerve VII, IX & X  ( 7, 9 & 10) The Brain Translates this  Yummy!!   You go Man vs. Food and eat 25 in one sitting only to vomit from eating too much! And the World is good again… Gustatory cells  are stimulated by the  Gus. Hairs
Tastes: 5 different kinds ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Did you know? Everyone has his or her own unique odor-identity or  “smell fingerprint”.   A woman’s sense of smell is keener than a man’s. According to my GF its to better sense when I’m being a d-bag…*awesome*college grad.   But I looked it up?  And it happens to coincide with her menstrual cycle = when she is most fertile she is most sensitive to smells. It's a mating thing.
Did you know? The Candiru' fish can smell urine, follow the trail and swim up your urethra and embed itself with its spiked fins (its ave length is 3 inches long).   And the only way you're getting that bad boy out is by surgery.   Never fear its in the Amazon . Taste is 75% smell ALL  the scents in the world are created by 7 conglomerate companies and then sold to "brands." (Capitalism ~HOORAY~ )
Did you know? Lions, Tigers, and cat pee contain an amino acid (protein) that makes it damn funky. This is how they mark their territory.
Did you know? 40%  of the dog's brain that is devoted to analyzing smells than that of a human!  Humans = Smell Receptors: 5 million German Shepard = Smell Receptors: 225 million Bloodhound = Smell Receptors:  300 million What we see… What they see…
Next time: WE LAB!!! Taste: Whale Vomit, Donkey Blubber, Wombat Chowder, Pickled Sea Snake  & Many More Exciting things I’ve found!  Wait! What about SMELL!?!?! I’ve got something's in store for that too…

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Lecture 3 Smell And Taste

  • 1. Chapter 8 Lecture 3: Special Senses “ If I could make you dead with my mind …..I would…” -What happens in Vegas
  • 2. Smell and Taste Disclaimer: Included in this presentation are pictures and or images you will not find in your book, make note of the information and move on. Working smarter is not working harder. “ Is that perfume and alcohol I smell…and fear in your eyes?!?!?” -My better half the night before college graduation My Life on the Couch
  • 3. This lecture was brought to you today by our sponsors. Humans against Humans that use Snuggies The Boa-Constrictor Snuggie The ITSOUT_NowRun Snuggie Join the fight
  • 4. Did you know? If you try to taste an orange juice and a grapefruit juice with your eyes closed. You won't be able to tell the difference . The entire body of an earthworm is covered with chemoreceptors. (It Tastes the dirt…literally) Blowflies taste with 3,000 sensory hairs on their feet.
  • 5. Did you know? The silkworm moth can detect pheromones up to 11 km. away ! (almost 7 miles for us Yanks) The term for Human Flesh is "Long-Pig" (Because it tastes like Salty Pork) The Ave Life of a Taste Bud is 10 days. (then they’re replaced by tentacles) Don't Ask...
  • 6. Smell: Olfactory Make note of these Structures
  • 7. Smell: Outside  In Mucus layer: Is the layer of SNOT (anatomical term) that traps chemicals that are the smell particles Olfactory hairs: Extensions of the Receptor Cells receive the chemicals Olfactory Filaments: Just like a Telephone wire send the message to the Olfactory Bulb Signal Direction
  • 8. Smell: Outside  In Olfactory Bulb: Is large and collects the signals and relays them to the Tract Olfactory Tract: (Cranial Nerve I) Gathers the signals and tells the brain there is a stink in the air. Limbic System: Emotional-visceral portion of the brain interprets the info: “ I have not showered in 3 days make excuse to leave room and do so.” *self-note use Loofah* Signal Direction
  • 9. Smell: The Breakdown The Boiled Stench of Skunk Stink is Sprayed The Signal is gathered by the Olfactory Bulb Olfactory Receptors pick up the Chemicals The Signal is Relayed through the Cribiform Plate by the Olfactory Filaments (remember the holes in the skull?) Signal is sent down Cranial Nerve I (The Olfactory Tract) The Brain Translates this using the Limbic System Damn Skunk!! You go Man vs. Wild and trap, skin and eat the sucker! And the World is good again…
  • 10. Taste: Taste Make note of these Structures
  • 11. Taste: Outside  In Tongue: Home of the Taste Buds (only 2/3 is seen) *contains roughly 6 muscles* Taste Buds: Number Around 10,000 and cover 2/3’s the tongue. Papilla: 2 Kinds Fungiform (Most Numerous) & Circumvallate
  • 12. Taste: Outside  In Gustatory Hairs: Stimulation of these long microvilli send a signal to larger cells. Gustatory Cells: Signal from the Hairs send a wave of depolarization to sensory nerves. Sensory Nerves: Cranial Nerves VII, IX & X (7, 9 & 10: for those of you not Roman) are stimulated.
  • 13. Taste: The Breakdown Your favorite brand of Sea Lion Manapua is eaten The Signal is gathered by the Sensory Nerves Saliva: Breaks down the material & you chew The material is sent to the Taste buds Signal is sent down Cranial Nerve VII, IX & X ( 7, 9 & 10) The Brain Translates this Yummy!! You go Man vs. Food and eat 25 in one sitting only to vomit from eating too much! And the World is good again… Gustatory cells are stimulated by the Gus. Hairs
  • 14.
  • 15. Did you know? Everyone has his or her own unique odor-identity or “smell fingerprint”. A woman’s sense of smell is keener than a man’s. According to my GF its to better sense when I’m being a d-bag…*awesome*college grad. But I looked it up? And it happens to coincide with her menstrual cycle = when she is most fertile she is most sensitive to smells. It's a mating thing.
  • 16. Did you know? The Candiru' fish can smell urine, follow the trail and swim up your urethra and embed itself with its spiked fins (its ave length is 3 inches long). And the only way you're getting that bad boy out is by surgery. Never fear its in the Amazon . Taste is 75% smell ALL the scents in the world are created by 7 conglomerate companies and then sold to "brands." (Capitalism ~HOORAY~ )
  • 17. Did you know? Lions, Tigers, and cat pee contain an amino acid (protein) that makes it damn funky. This is how they mark their territory.
  • 18. Did you know? 40% of the dog's brain that is devoted to analyzing smells than that of a human! Humans = Smell Receptors: 5 million German Shepard = Smell Receptors: 225 million Bloodhound = Smell Receptors: 300 million What we see… What they see…
  • 19. Next time: WE LAB!!! Taste: Whale Vomit, Donkey Blubber, Wombat Chowder, Pickled Sea Snake & Many More Exciting things I’ve found! Wait! What about SMELL!?!?! I’ve got something's in store for that too…