Archive image from page 85 of Cytology, with special reference to. Cytology, with special reference to the metazoan nucleus cytologywithspec00agar Year: 1920 70 CYTOLOGY CHAP. this body is separated from the centrosomes, and comparatively large. The changes undergone by the nucleus during the development of the spermatozoon are, so far as can be seen, little more than a progress- ive concentration. The idiosome applies itself to the end of the nucleus farthest from the centrosomes, and there becomes |] -Fig. 30. Metamorphosis of the spermatid into the sperma- tozoon. Diagrammatized and sim
Archive image from page 85 of Cytology, with special reference to. Cytology, with special reference to the metazoan nucleus cytologywithspec00agar Year: 1920 70 CYTOLOGY CHAP. this body is separated from the centrosomes, and comparatively large. The changes undergone by the nucleus during the development of the spermatozoon are, so far as can be seen, little more than a progress- ive concentration. The idiosome applies itself to the end of the nucleus farthest from the centrosomes, and there becomes |] -Fig. 30. Metamorphosis of the spermatid into the sperma- tozoon. Diagrammatized and simplified trom the accounts of the process in the guinea-pig by Meves {, 1899), and Duesberg {, 1911). a, acro- some ; , axial filament of tail; c, centrosome; ch, chondriosomes; h, head (nucleus) of spermatozoon; i, idiosome; m, middle piece of spermatozoon with two centrosomes and spiral chondriosome band; n, nucleus; r, cytoplasm of spermatid which is thrown off; t, tail of spermatozoon. D
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