Spermatozoa, SEM
Maturing spermatozoa, TEM
Human testis, light micrograph
Seminiferous tubules, light micrograph
Male germinal epithelium, light micrograph
Testis, light micrograph
Seminiferous tubule, light micrograph
Human sperm centriole, light micrograph
Human spermatid manchette, light micrograph
Sperm production, SEM
Grasshopper spermatozoa, light micrograph
Spermatogenesis, TEM
Sperm production, light micrograph
Immature germ cell in semen, SEM
Human epididymis, light micrograph
Sperm, TEM
Human seminiferous tubules, light micrograph
Spermatogenesis in human testicle, light micrographs
Spermatogenesis in human testicle, light micrograph
Human seminiferous tubules, light micrographs
Seminiferous tubule and Leydig cells, light micrographs
Testicle Leydig cells, light micrographs
Seminiferous tubules and Leydig cells, light micrographs
Epididymis, light micrograph
Testis sperm production, light micrograph
Fetal testis, light micrograph
Spermatogenesis, light micrograph
Sperm, SEM
Seminiferous tubule of testis
Sperm production site, SEM
Secretory epithelium, light micrograph
Epididymis epithelium, light micrograph
Epididymis, TEM
Epididymis, LM
Foetal testis, light micrograph
Human testicle, light micrograph
Seminoferous tubules, light micrograph
Human testis tubule filled with sperm
Testis, LM
Testis, TEM
Sertoli cell, TEM
Human testis, TEM
Seminiferous epithelium, TEM
Prostate gland, light micrograph
Human prostate gland, light micrograph
Small vein valve, light micrograph
Blood vessels and nerves, light micrograph
Vas deferens, light micrograph
Pampiniform plexus, light micrograph
Human prostate, SEM
Seminal vesicle cells, light micrograph
Human sperm SEM X2250
Human skin cell, SEM
Meiosis, LM
Testis Leydig cells, light micrograph
Common frog testis, light micrograph
Testis epididymis, light micrograph
Spermatogenesis in mammalian testis, light micrograph
Sperm cells, TEM
Spermatogonia, TEM
Ovarian mucinous cystadenocarcinoma, light micrograph
Ovarian mucinous cystadenoma, light micrograph
Prostate gland and urethra, light micrograph
Spermatic cord, light micrograph
Human testis neoplasia, light micrograph
Germ cell neoplasia, light micrograph
Hibiscus flower pistil, SEM
Rose pistil, SEM
Chickweed flower pistil, SEM
Testicle, light micrograph
Testicles
Sperm cells, SEM
Self-pollination in Stellaria media
Crayfish gills SEM
Red blood cells, SEM
Radiolaria, SEM
Thale cress leaf trichome, SEM
Mare's tail stem, SEM
Mare's tail leaf, SEM
Nasturtium leaf, SEM
Butterfly Wing Scale, SEM
Drupaceous fruit of smoke tree (Cotinus coggygria), SEM
Common eggfly butterfly egg, SEM
Fly Wing, SEM