Ascaris embryology, sec. of uteri showing maturation of ova
Capsella bursa pastoris, l.s. of embryos
Chicken (Gallus) embryology: 24 hour t.s.
Chicken (Gallus) embryology: 72 hour t.s.
Cockchafer (Melolontha), ovaries t.s.
DNA and RNA stained in different colours, l.s. onion root tips
Female chromosomes, human
Frog (Rana) embryology: four cell stage t.s.
Frog (Rana) embryology: morula stage l.s.
Frog (Rana) embryology: neurula stage t.s.
Frog (Rana), testis t.s. showing spermatogenesis
Human chromosomes, spread in the metaphase stage, w.m.
Hydra with ovaries t.s., sexual reproduction
Hydra with testis t.s., sexual reproduction
Lilium, ovary with embryosac t.s.
Lilium, young anthers, meiosis, diplotene stage, t.s.
Lilium, young anthers, meiosis, early prophase stage, t.s.
Male Chromosome, human
Mouse, uterus containing embryo t.s.
Tapeworm (Taenia), mature proglottid w.m. |