270
Testis, human, H&E, 40X (testis [upper left], seminiferous tubules, spermatogonia, primary spermatocytes, secondary spermatocytes [very seldom seen], spermatids, Sertoli cells, interstitial tissue, Leydig cells, small blood vessels, tunica albuginea, mediastinum [upper right], rete testis, epididymis [lower half of section], efferent ducts).
273
Testis, immature human, H&E, 40X (testis, seminiferous tubules with only early germ cells and poorly developed Sertoli cells, small Leydig cells).
275
Testis, human, H&E, 40X (testis [lower half of section], seminiferous tubules, spermatogonia, primary spermatocytes, spermatids, Sertoli cells, interstitial tissue, Leydig cells, small blood vessels, tunica albuginea, epididymis [upper right], efferent ducts).
279
Seminal vesicle, human, H&E, 40X (three lumens of contorted tube, complex interconnecting mucosal folds, secretory epithelium [simple columnar or pseudostratified columnar], lamina propria, abundant smooth muscle in wall of tube).
281
Prostate, human, H&E, 40X (prostatic urethra [at center], numerous prostatic glands [left, right and middle], secretory epithelium [simple or pseudostratified columnar], abundant smooth muscle in the connective tissue between the glands, two ejaculatory ducts with the prostatic utricle = utriculus masculinus between them.
282
Prostate, human, H&E, 20X (prostatic glands, with abundant smooth muscle between them, concretions [= amyloid bodies] in many of the glands).
284
Spermatic cord, human, H&E, 20X (ductus or vas deferens [top of section], branch of testicular artery [center of section], pampiniform plexus of testicular veins [around testicular artery branches], dartos muscle [smooth], cremaster muscle [skeletal].
286
Penis cross section, human, H&E, 40X (two large pale corpora cavernosa [erectile tissue], venous sinuses, trabeculae [connective tissue, smooth muscle, small blood vessels including helicine arteries], deep artery, tunica albuginea, penile urethra [at lower right] in corpus spongiosum).