TY  - GEN
ID  - cogprints6254
UR  - http://cogprints.org/6254/
A1  - Kristal, Dr. Mark B.
A1  - Thompson, Alexis C.
A1  - Heller, Steve B.
A1  - Komisaruk, Dr. Barry R.
Y1  - 1986///
N2  - Ingestion of placenta has previously been shown to enhance opiate-mediated analgesia (measured as tail-flick latency) induced either by morphine injection or by footshock. The present study was designed to test whether placenta ingestion would enhance the partly opiate-mediated analgesia produced by vaginal/cervical stimulation. Nulliparous Sprague-Dawley rats were tested for analgesia, using tail-flick latency, during and after vaginal/cervical stimulation; the tests for vaginal/cervical stimulation-induced analgesia were administered both before and after the rats ate placenta or ground beef. Placenta ingestion, but not beef ingestion. significantly heightened vaginal/cervical stimulation-induced analgesia. A subsequent morphine injection provided evidence that, as in a previous report, placenta ingestion, but not beef ingestion, enhanced morphine-induced analgesia.
PB  - Pergamon Press
KW  - Placenta
KW  -  Pain
KW  -  Opiates
KW  -  Vaginal stimulation-produced analgesia
KW  -  Tail-flick test
KW  -  Afterbirth
KW  - 
Analgesia
KW  -  Parturition
KW  -  Placentophagia
KW  -  VSPA
KW  -  Vaginal/cervical stimulation
KW  -  POEF
TI  - Placenta Ingestion Enhances Analgesia
Produced by Vaginal/Cervical
Stimulation in Rats
SP  - 1017
AV  - public
EP  - 1020
ER  -

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