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This section includes 12 microscope slide sets covering Genetics, Cytology and Embryology. They are made on the best glass with fine ground edges 26 x 76mm (1" x 3") in size under rigorous scientific control. They are the product of long experience combined with the most up to date techniques. The slides can be purchased individually as well as in sets. Click Here to download the Cytology, Embryology & Genetics Systematic Slide List.

The procurement and processing of the original material for some preparations presents special problems. For this reason these preparations can often only be manufactured in small quantities entailing a longer delivery period. This applies particularly to slides marked with an asterisk*, for which we cannot guarantee delivery.

The Plant Cell 12 Microscope Slides Shipped in CLICK HERE Cat.# JL-2CEG $175.00 BUY

1 - Epidermis of Allium cepa (onion), w.m. showing simple plant cells with cell walls, nuclei and cytoplasm

2 - Root tips of Allium cepa l.s. showing cell division (mitosis) in all stages, clearly stained

3 - Pollen mother cells of Lilium. Prophase of first maturation division (meiosis) showing chromosomes as fine threads

4 - Pollen mother cells of Lilium. Metaphase and anaphase of first maturation division (meiosis) showing nuclear spindles and contracted chromosomes

5 - Wood of Tilia macerated and w.m. showing wood cells, vessels and fibres

6 - Fruit of Pyrus (pear) t.s. showing stone cells (sclerenchyma cells)

7 - Tuber of Solanum (potato) t.s. shows cork and starch grains

8 - Cucurbita pepo (pumpkin) l.s. of stem showing vascular bundles with sieve tubes, spiral and annular vessels, sclerenchyma fibres

9 - Ricinus endosperm t.s. showing aleurone grains

10 - Anthers of Lilium (lily), t.s. showing pollen sacs and pollen grains

11 - Ovary of Lilium (lily), t.s. showing arrangement of ovules and embryosac

12 - Spirogyra showing conjugation stages and formation of zygotes

Set of Genetics Slides 25 Microscope Slides Shipped in CLICK HERE Cat.# JL-3CEG $310.00 BUY

1 - Allium, root tips, l.s. showing all stages of mitosis

2 - Eschscholtzia, stigma, w.m. showing penetrating pollen

3 - Lilium, microspore mother cells, first division, leptotene – zygotene stage

4 - Lilium, microspore mother cells, first division, diakinesis – telophase

5 - Lilium, microspore mother cells, second division, interkinesis – four cells stage

6 - Polytrichum, moss, archegonium, w.m.

7 - Polytrichum, moss, archegonium, l.s.

8 - Spirogyra scalariform conjugation showing zygotes following conjugation

9 - Sea urchin, developing of eggs, w.m. of most stages up to pluteus in the same slide

10 - Giant chromosomes from salivary gland of Chironomus, squash preparation special stained for chromomeres

11 - Giant chromosomes from salivary gland of Chironomus, section

12 - Ascaris, fertilisation of eggs, sec.

13 - Ascaris, male and female pronuclei, sec.

14 - Ascaris, meiosis and early cleavage, sec.

15 - Testis of crayfish, sec. showing meiosis and spermatogenesis

16 - Testis of mouse, t.s. showing spermatogenesis

17 - Ovary of rabbit, l.s. showing follicles in various stages of development

18 - Embryology of fish, l.s. of embryo showing animal mitosis

19 - Chromosomes, human, female, of culture of peripheral blood

20 - Chromosomes, human, male, of culture of peripheral blood

21 - Drosophila genetics, adult wild type, w.m.

22 - Drosophila genetics, "barr eye" mutant, w.m.

23 - Drosophila genetics, "brown eye" mutant, w.m.

24 - Drosophila genetics, "vestigial wing" mutant, w.m.

25 - Drosophila genetics, "white eye" mutant, w.m.

The Ascaris Megalocephala Embryology 10 Microscope Slides Shipped in CLICK HERE Cat.# JL-5CEG $170.00 BUY TEMPORARILY UNAVAILABLE

1 - Cell division in l.s. of Allium root tips, each slide showing all mitotic stages, carefully stained. For general study of mitosis

2 - Ascaris, primary germ cells in the growing zone of oviduct

3 - Ascaris, entrance of sperm in the oocytes

4 - Ascaris, first and second maturation divisions in oocytes I

5 - Ascaris, first and second maturation divisions in oocytes II

6 - Ascaris, mature oocytes with male and female pronuclei

7 - Ascaris, early cleavage stages

8 - Ascaris, later cleavage stages

9 - Ascaris, adult female roundworm, t.s. in region of gonads

10 - Ascaris, adult male roundworm, t.s. in region of gonads

The Frog Embryology (Rana sp.) 10 Microscope Slides Shipped in CLICK HERE Cat.# JL-6CEG $180.00 BUY

1 - Frog, morula, l.s. with macro- and micromeres

2 - Frog, blastula. l.s. shows blastocoel

3 - Frog, gastrula, sagittal l.s. shows germ layers, dorsal lip, yolk plug

4 - Frog, neurula, t.s. showing primordium of notochord, entoderm with primary intestinal cavity

5 - Frog, early tail bud stage, t.s. with neural tube, notochord

6 - Frog, early tail bud stage, sagittal l.s. with primordium of brain, intestine, segmentation of mesoderm

7 - Frog, hatching stage, t.s. through region of head or gills

8 - Frog, hatching stage, t.s. through region of midbody

9 - Frog, young tadpole, t.s. through head

10 - Frog, young tadpole, t.s. through thorax or abdomen

The Chicken Embryology (Gallus domesticus) 10 Microscope Slides Shipped in CLICK HERE Cat.# JL-7CEG $200.00 BUY

1 - Chicken, 24 hour, t.s. with neural groove, notochord, germ layers

2 - Chicken, 36 hour, t.s. with neural tube, differentiation of mesoderm

3 - Chicken, 48 hour, l.s. with differentiation of mesoderm and ectoderm

4 - Chicken, 3 day, t.s. through body showing amnion and serosa. myotom, primordium of kidney, aorta, extraembryonic vessels

5 - Chicken, 3 day, t.s. of head with primordium of brain, eyes and heart

6 - Chicken, 3-4 day, horizontal section of entire specimen shows primordia of various organs, gill slits

7 - Chicken, 4-5 day, t.s. through region of head with brain, gill arches

8 - Chicken, 4-5 day, t.s. through region of heart shows heart, lungs, vertebrae, spinal cord

9 - Chicken, 8 day, sagittal l.s. through entire specimen showing various embryonic organs

10 - Chicken, feather development, sec. through wings in different stages of the development

The Pig Embryology (Sus scrofa) 10 Microscope Slides Shipped in CLICK HERE Cat.# JL-8CEG $210.00 BUY

1 - Pig embryo, 4-6 mm, typical t.s.

2 - Pig embryo, 7-9 mm, sagittal l.s.

3 - Pig embryo, 11-12 mm, typical t.s. through region of head

4 - Pig embryo, 11-12 mm, typical t.s. region of abdomen

5 - Pig embryo, 15 mm, typical t.s. through region of head

6 - Pig embryo, 15 mm, typical t.s. through region of thorax

7 - Pig embryo, 15 mm, typical t.s. through region of abdomen

8 - Pig embryo, 15 mm, sagittal l.s.

9 - Pig embryo, 20-25 mm, sagittal l.s.

10 - Pig embryo, 20-25 mm, frontal l.s.

Development of the Microspore Mother Cells of Lilium candidum 12 Microscope Slides Shipped in CLICK HERE Cat.# JL-9CEG $190.00 BUY

1 - Leptotene, the chromosomes appear as fine threads

2 - Zygotene, the homologous chromosomes associate in pairs. The chromosomes appear as strings of beads

3 - Pachytene, complete pairing of the chromosomes

4 - Diplotene, shortening of the chromosomes by contraction. Interchange of chromatin between the maternal and paternal chromosomes (crossing over) 

5 - Diakinesis, further contraction of the bivalents, the nuclear membrane disappears

6 - Metaphase and anaphase of the first (heterotypic) division, showing spindle threads. Two haploid sets of chromosomes are separated

7 - Telophase of the first and prophase of the second division

8 - Metaphase and anaphase of the second (homeotypic) division, two mitotic figures are present

9 - Pollen tetrads, four nuclei are formed after the second division, each bearing the haploid number of chromosomes. Formation of cell walls

10 - Uninucleate microspores after separation of daughter cells

11 - Mature two-nucleate pollen grains at the time of shedding. Each pollen grain possesses a tube cell and a generative cell

12 - Mature pollen grains, w.m. to show structure of the cell walls

1. Simple animal cells in sec. of salamander liver showing nuclei, cell membranes and cytoplasm. For general study of the animal cell
2. Mitotic stages in smear of red bone marrow of mammal *
3. Meiotic (maturation) stages in testis of mouse, sec. iron hematoxyline stained after Heidenhain
4. Meiotic (maturation) stages in sec. through testis of salamander, selected material showing large structures *
5. Barr bodies (human sex chromatin) in smear from female squamous epithelium *
6. Mitochondria in thin sec. of kidney or liver, specially prepared and stained
7. Golgi apparatus in sec. of spinal ganglion or other organ *
8. Pigment cells in skin
9. Storage of glycogen in liver cells, sec. stained with carmine after Best or PAS reaction
10. Storage of fat in cells of costal cartilage, sec. stained with Sudan
11. Secretion of fat in mammary gland, section stained with Osmic acid
12. Phagocytosis in Kupffer’s star cells of the liver, sec. of mammalian liver injected with trypan blue
13. Giant chromosomes in smear of the salivary gland of Chironomus larva, carefully fixed and stained
14. Ascaris megalocephala embryology. Sec. of uteri showing entrance and modification of sperm in ova
15. Ascaris megalocephala embryology. Sec. of uteri showing maturation stages (meiosis). Po1ar bodies can be seen.
16. Ascaris megalocephala embryology. Sec. of uteri showing ova with male and female pronuclei
17. Ascaris megalocephala embryology. Sec. of uteri showing early cleavage stages (mitosis)
18. Ascaris megalocephala embryology. Sec. of uteri showing later cleavage stages (mitosis)
19. Mitosis, l.s. from Allium root tips showing all stages of plant mitosis carefully stained with iron-hematoxyline after Heidenhain
20. DNA and RNA, thin l.s. from Allium root tips, specially fixed and stained with methylgreen and pyronine to show DNA and RNA in different colours *
21. Mitochondria, thin l.s. of Allium root tips specially fixed and stained to show the mitochondria clearly
22. Meiosis, t.s. of Lilium anthers showing different stages of meiotic divisions
23. Aleurone grains, sec. of Ricinus endosperm
24. Inulin crystals, t.s. of tuber of Dahlia
25. Chloroplasts, w.m. of leaf of Elodea or Spinacea showing detail of large chloroplasts

1. Mitosis, l.s. from Allium root tips showing all stages of plant mitosis carefully stained with iron-hematoxyline after Heidenhain
2. Mitotic stages in sec. through red bone marrow of mammal
3. Meiotic and mitotic stages in sec. of Salamandra testis. Many meiotic and mitotic stages can be observed
4. Lilium, anther t.s., microspore mother cells showing telophase of first and prophase of second (homeotypic) division
5. Giant chromosomes, smear from salivary gland of Chironomus, carefully fixed and stained *
6. Ascaris megalocephala embryology. Sec. of uteri showing maturation stages (meiosis). Polar bodies can be seen.

1. Mitosis, l.s. from Vicia faba (bean) root tips showing all mitotic stages. Iron hematoxyline stained
2. Lilium, anther t.s., microspore mother cells showing telophase of first and prophase of second (homeotypic) division
3. Mitotic stages in sec. of whitefish blastula showing spindles *
4. Spermatogenesis with meiotic and mitotic stages, sec. of testis of Carausius, grasshopper, carefully stained
5. Paramaecium, in fission, nuclei stained *