Supported by research grants from the National Science Foundation and the National Institutes of Health as follows: NSF G-24043 (W.A.W.); NIH RG 6599 C-5 (P.H.K.); NIH AM 09432--01 (L.N.).
Version of Record online: 3 FEB 2005
Copyright © 1966 Wiley-Liss, Inc.
American Journal of Anatomy
Volume 119, Issue 1, pages 25–59, July 1966
How to Cite
Wimsatt, W. A., Krutzsch, P. H. and Napolitano, L. (1966), Studies on sperm survival mechanisms in the female reproductive tract of hibernating bats. I. Cytology and ultra-structure of intra-uterine spermatozoa in Myotis lucifugus. Am. J. Anat., 119: 25–59. doi: 10.1002/aja.1001190104
Shortly after an original draft of this article had been completed, the splendid study of Fawcett and Ito ('65) on the fine structure of bat sperm was published. The overlap between their observations and ours was substantial and we have felt obliged to revise our fine structure section to avoid publishing frankly repetitive material. The present section on ultrastructure is a substantially shortened version of the original. We obviously could not eliminate all redundant observations and still achieve a coherent account, but those retained for the most part complement, differ from, or confirm where this was deemed desirable the observations of Fawcett and Ito. Furthermore, our primary objective has been and is to determine the bases of sperm longevity in the uterus, and our observations of fine structure are focused mainly on intra-uterine sperm, whereas those of Fawcett and Ito dealt wholly with unejaculated sperm from the epididymis. Characterization of the fine structure of surviving sperm in utero as compared with those still within the epididymis is essential to the achievement of our main objective. The section summarizing our microscopic and histochemical observations has not been altered from the original since these observations are not duplicated in the study of Fawcett and Ito.
- Issue online: 3 FEB 2005
- Version of Record online: 3 FEB 2005
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