Figure 216

Schematic drawing of human seminiferous epithelium. This drawing shows the relationship of the Sertoli cells to the spermatogenic cells. The seminiferous epithelium rests on a basal lamina, and a layer of peritubular cells surrounds the seminiferous tubule. The spermatogo-nia-type A pale, type A dark, and type B pale-and preleptotene spermatocytes are located in the basal compartment of the seminiferous peritubular (myoid) cells type B pale spermatogonium epithelium below the junctional complex, between adjacent Sertoli cells. Pachytene primary spermatocytes, early spermatids, and late spermatids, with partitioning residual cytoplasm that becomes the residual body, are seen above the junctional complex in the ablumi-nal compartment. (Redrawn from Clermont Y. AmJAnat 1963;! 12:35.)

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