. The physiology of reproduction. Reproduction. Fig. 43.—A cell of Sertoli with which the spermatids (three of which are shown) are beginning to be connected—human. (After Bramman, from Schafer.) The cell contains globules of nutritive substance and similar smaller globules are seen in the FiG. 44.—Diagram illustrating the cycle of phases in spermatogenesis. (From Schafer.) a, spermatogonia (seen dividing at 6) ; a', a", Sertoli cells; ft, spermatocytes (seen dividing at 5); c, spermatids; s', parts of spermatids which dis- appear when spermatozoa are fully formed; s, seminal
. The physiology of reproduction. Reproduction. Fig. 43.—A cell of Sertoli with which the spermatids (three of which are shown) are beginning to be connected—human. (After Bramman, from Schafer.) The cell contains globules of nutritive substance and similar smaller globules are seen in the FiG. 44.—Diagram illustrating the cycle of phases in spermatogenesis. (From Schafer.) a, spermatogonia (seen dividing at 6) ; a', a", Sertoli cells; ft, spermatocytes (seen dividing at 5); c, spermatids; s', parts of spermatids which dis- appear when spermatozoa are fully formed; s, seminal granules. 1 Loisel, "Factenrs de la Forme et de la Fasciculisation des Spermies dans les Testicules," Jour, de I'Anat. et de la Phys., vol, xlii., Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marshall, F. H. A. (Francis Hugh Adam), 1878-1949; Cramer, William, 1878-1945; Lochhead, James. London, New York, Longmans, Green
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectreproduction, bookyea
