Action of Kxtracts of ()viiry on I'lain Muscle 



35 



Action on LUorus of Knhliit. 



Ott (5) noticed an increase of tone in the nterus (rabhin and cat): he 

 used an ovarian preparation made by Armour A: Co. Hell and Hick (G) 

 failed to observe any etiect on the normal uterus of tlie rabbit with an 



Fi<;. 10. — Effect of extract of whole ovary of cow on suspended rat-iit«TU8. 



Fig. 11.— Effect of extract of whole ovary of cow on rabbit intestine (whole tube). At the first 

 arrow a 1 per cent, extract was run in ; at the second arrow it was replaced by Locke. 



ovarian preparation obtained from the Wellcome Laboratory, but in the 

 pregnant and puerperal uterus of the same animal they found contrac- 

 tion to be produced. Stick el (7) failed to obtain any etiect on uterine 

 movement in the rabbit by intravenous injection of an ovarian extract 

 furnished by Hotiman, La Roche Sz Co. Fuchs (8) noticed inhibition of 



