10 



Frances Carter, Marion C. Woods and Miriam E. Simpson 



Table 10. Comparison of Interstitial Cell-stimulating Hormone (ICSH) Preparations 

 FROM Sheep Pituitary, made in Different Laboratories (after Simpson, 21) 



Table 11. Comparison of Potency of ICSH Preparations Made in Different 



Laboratories, by Ventral Prostate Weight Increase or by Interstitial Cell 



Repair, in Hypophysectomized Rats (after Simpson, 21) 



* 21-22 days at H, onset injection 2 days PO; injections given 1 x day, 4 days, autopsy 

 96 hr; injection SQ; Creep, PSEBM 46: 644, 1941. 



t Potency reported by Ellis,/. Biol. Chem. 233, 63, 1958, for assay in Sprague-Dawley rats. 

 Steelman and Pohley, Endocrinology Si, 604, 1953 (15 /xg, V.P.), for Sprague-Dawley rats. 



ovulation, judged both by the proportion of rats ovulating and the average 

 number of ova shed. However, this combined supplement did not appear to 

 be so effective after FSH alone was used in preparation of the follicles; fewer 



