. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 368 THOMAS H. MONTGOMERY. The line of the Sertoli cell is therefore <h lennined In- the presence of the rod; one Sertoli cell is produced to every three Antepenultimate Spermatogonium Penultimate Spermatogonia Ultimate Spermatogonia Sertoli cell. ultimate Spermatogonia that lack the rod, or one Sertoli cell to every twenty-five spermatids. 2. THE ANTEPENULTIMATE SPERMATOGONIA (Fics. 1-8, PL. I.)- These are the largest germ cells in the adult testis, and like the other generations of Spermatogonia arc situated at the pe- r
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 368 THOMAS H. MONTGOMERY. The line of the Sertoli cell is therefore <h lennined In- the presence of the rod; one Sertoli cell is produced to every three Antepenultimate Spermatogonium Penultimate Spermatogonia Ultimate Spermatogonia Sertoli cell. ultimate Spermatogonia that lack the rod, or one Sertoli cell to every twenty-five spermatids. 2. THE ANTEPENULTIMATE SPERMATOGONIA (Fics. 1-8, PL. I.)- These are the largest germ cells in the adult testis, and like the other generations of Spermatogonia arc situated at the pe- riphery of the seminiferous tubules. Frequently their nuclei are of irregular shape, as shown in Fig. I. Within the nuclei ( Fig. 3) are two kinds of nuclcolar structures: acidophilic plasmosomes and basophilic bodies; it would take a detailed Mudy to deter- mine whether the latter are chromatoid nuclei>H or modified chromosomes (allosomes). In their cell bodie- ;nv tound ehro-. 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 Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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