Smell, taste, touch Flashcards
how many olfactory rods does the sense of smell consists of? receptors?
20 million rods, 1000 different types of receptors
What are the different senses of taste?
sweet, bitter, salty, sour, fatty
How many taste buds do we have?
10,000
What are the three skin senses?
pressure, temperature, and pain
Is the whole body equally sensitive?
No, sensitivity varies throughout the body.
What is kines-thesis?
called proprioception, driven by receptors in joints,muscles, and ligaments. knowledge of position and motion.
What is the gate theory?
A- beta filters transmit quickly, fatigue quickly and are less aversive.
C- fibers unmylinated and transmit signals slowly
A- delta makes endorphins on major injuries to block c fibers