796 



SPERM. OVA, AND PREGNANCY 



Young, W. C. 1929a. A study of the function of 

 the epididymis. I. Is the attainment of full 

 spermatozoon maturity attributable to some 

 specific action of the epididymal secretion? J. 

 Morphol., 47, 479-495. 



Young, W. C. 1929b. A study of the function of 

 the epididymis. II. The importance of an 

 aging process in sperm for the length of the 

 period during which fertilizing capacity is re- 

 tained by sperm isolated in the epididymis of 

 the guinea pig. J. Morphol., 48, 475-491. 



Young, W. C. 1929c. The influence of high tem- 

 perature on the reproductive capacity of 

 guinea-pig spermatozoa as determined by ar- 

 tificial insemination. Physiol. Zool., 2, 1-8. 



Young, W. C. 1931. A study of the function of 

 the epididymis. III. Functional changes un- 

 dergone by spermatozoa during their passage 

 through the epididymis and vas deferens in the 

 guinea pig. J. Exper. Biol., 8, 151-162. 



Young, W. C. 1933. Die Resorption in den Duc- 

 tuli Efferentes der Maus und ihre Bedeutung 

 fiir das Problem der Unterbindung im Hoden- 

 Nebenhodensystem. Ztschr. Zellforsch., 17, 

 729-759. 



Young, W. C, and Simeone, F. A. 1930. Develop- 



opment and fate of spermatozoa in the epi- 

 didymis and vas deferens in the guinea pig. 

 Proc. Soc. Exper. Biol. & Med., 27, 838-841. 



Z.\CHARi.AE, F. 1958. Autoradiographic C^S) and 

 histochemical studies of sulphomucopolysac- 

 charides in the rabbit uterus, oviducts and 

 vagina; variations under hormonal influence. 

 Acta endocrinoL, Copenhagen, 29, 118-134. 



ZiTTLE, C. A., and O'Dell, R. a. 1941. Chemical 

 studies of bull spermatozoa. Lipid, sulfur, cys- 

 tine, nitrogen, phosphorus, and nucleic acid 

 content of whole spermatozoa and the parts ob- 

 tained by physical means. J. Biol. Chem., 140, 

 899-907." 



Zittle, C. a., and Zitin, B. 1942. The amount 

 and distribution of cytochrome oxidase in bull 

 spermatozoa. J. Biol. Chem., 144, 99-104. 



ZORGNIOTTI, A. W., HOTCHKISS, R. S., AND WaLL, L. 



C. 1958. High-speed cinephotomicrography 

 of human spermatozoa. M. Radiog. & Photog., 

 34, 44^9. 

 ZucK, T. T., AND Duncan, D. R. L. 1939. The 

 time of ovulation in the human female. Am. J. 

 Obst. & Gynec, 38, 310-313. 



