spermatogenesis (sperm production and development) seminiferous tubule, testis, human 250x - 精原細胞 個照片及圖片檔精子
histology of the testis--seminiferous tubule showing spermatogenesis, interstitial cells, 250x - 精原細胞 個照片及圖片檔
spermatogenesis. seminiferous tubule, testis, 250x. shows: spermatogenesis, spermatogonia, spermatocytes, spermatids, spermatogonia, interstitial cells (cells of leydig, secrete testosterone) - 精原細胞 個照片及圖片檔
spermatogenesis. seminiferous tubule, testis, 250x. shows: spermatogonia, spermatocytes (with chromosomes), spermatids, spermatozoa, lumen, interstitial cells (cells of leydig, secrete testosterone), sustentacular cells (or sertoli cells) - 精原細胞 個照片及圖片檔
seminiferous tubule, testis, spermatogenesis, interstitial cells, 100x. shows: spermatogenesis, spermatogonia, spermatocytes, spermatozoa, and interstitial cells (cells of leydig). - 精原細胞 個照片及圖片檔
seminiferous tubule, testis, spermatogenesis, 100x. shows: a single seminiferous tubule, spermatogenesis, spermatogonia, spermatocytes (with chromosomes), spermatids, spermatozoa, and lumen. - 精原細胞 個照片及圖片檔精子, 睾丸, 紫色
various spermatozoa at different stages of development - 19th century - 精原細胞 幅插畫檔、美工圖案、卡通及圖標精子, 銅版畫, 人體