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From a section of the testis of a dog, showing portions of seminal tubes. A, seminal epithelial cells, and numerous small cells loosely arranged; B, the small cells or spermatoblasts converted into spermatozoa; groups of these is a further stage of development.

Testis of a Dog, Section of the

From a section of the testis of a dog, showing portions of seminal tubes. A, seminal epithelial cells,…