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  Hyperalgesic responses  
   
  A graph showing hyperalgesic responses to heat stimuli in estrous female rats v. non-estrousfemale and male rats. The first graph shows Paw Withdrawal Latancy

The second of two graphs showing hyperalgesic responses to heat stimuli. This graph depicts Thermal Hyperalgesia.
 
     
  Hyperalgesic responses to heat stimuli in estrous female rats v. non-estrous female and male rats. From Heather Bradshaw, Julie Miller, Qingdong Ling, Kirsten Malsnee, and M.A. Ruda, Sex differences and phases of the estrous cycle alter the response of spinal cord dynorphin neurons to peripheral inflammation and hyperalgesia. Pain, v. 88 (2000): 97.  
     
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