Friday, August 20, 2010

Sensory Receptor Edition

How many sensory receptor in our body?
Right Answer:
1.Chemoreceptor:
-taste bud
-olfactory epithelium
-Aortic and carotid body
2.Photoreceptor:
-Rod and Cones
3.Cutaneous receptor:
-Mechanoreceptor
  +Touch: like skin
  +Pressure: like hair cell in inner ear
-Nociceptor: pain receptor
-Thermoreceptor: heat and cold
Note:
1. Receptor divide in two:
-Distance(visual, acoustic, smell)
-Contact
2.Chemoreceptor:
-Interoreceptor: are the chemoreceptor that responds to internal enviroment. ex: taste
-Exteroreceptor: respond to external enviroment. ex: smell

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