Elements of histology (1898) Elements of histology elementsofhistol00klei Year: 1898 376 Elements of Histology. nucleus. After puberty, however, the following different t3qies can be distinguished. (a) Tubules or parts of tubules similar to those of the young state—viz. several layers of polyhedral epithelial cells lining the menibrana propria. These are considered as («) the outer and ih) the inner seminal cells. The former are next to the membrana Fk '243 -From a Section through the Testis of Dog, showing portions of three seminal tubules. {Atlas.) j», Seminal epithelial cells and mimero
Elements of histology (1898) Elements of histology elementsofhistol00klei Year: 1898 376 Elements of Histology. nucleus. After puberty, however, the following different t3qies can be distinguished. (a) Tubules or parts of tubules similar to those of the young state—viz. several layers of polyhedral epithelial cells lining the menibrana propria. These are considered as («) the outer and ih) the inner seminal cells. The former are next to the membrana Fk '243 -From a Section through the Testis of Dog, showing portions of three seminal tubules. {Atlas.) j», Seminal epithelial cells and mimerous small cellt- loosely arranged ; B, small cells or sperniatohlasts becoming converted into spermatozoa; c, groups of these in a further stage of development. propria ; they are ])olyhedral in shape, transparent, and the nucleus of many of them is in the process of karyomitosis or indirect division (see par. 8) ; in some the nucleus is oval transparent, but containing a distinct network. The inner seminal cells generally form two or three layers, and are more loosely con- nected with one another than the outer seminal cells, and therefore possess a more rounded appearance.
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