Sensory Receptors

• what is a sensory receptor


  detects change in environment (stimulus)detects change in environment (stimulus)
• features of sensory receptors

  specific to single type of stimulus, act as a transducer
• mechanoreceptors detect?


  pressure and movement - Pacinian Corpuscle
• chemoreceptor


  chemicals - olfactory receptor
• thermoreceptors?


  temperature
• photoreceptors?


  light - cone cell
• neurons are cells that transmit electrical signals called action potentials along their axon