Grid View List View selected
 
Pteridophytes (Ferns and Fern Allies) - German Slides, 1003900 [W13015], Microscope Slides LIEDER

Pteridophytes (Ferns and Fern Allies) - German Slides

207.50 €
Item: 1003900 [W13015]
15 Microscope Slides Primitive ferns (Psilophytatae): 1(d). Psilotum, rhizome showing protostele t.s. 2(d). Psilotum, stem showing squamous leaves, aktinostele t.s. Clubmosses (Lycopodiatae) 3(c). Lycopodium, of stem showing plectostele ... more
 
Pteridophytes (Ferns and Fern Allies) - French, 1003901 [W13015F], Microscope Slides LIEDER

Pteridophytes (Ferns and Fern Allies) - French

207.50 €
Item: 1003901 [W13015F]
15 Microscope Slides Primitive ferns (Psilophytatae): 1(d). Psilotum, rhizome showing protostele t.s. 2(d). Psilotum, stem showing squamous leaves, aktinostele t.s. Clubmosses (Lycopodiatae) 3(c). Lycopodium, of stem showing plectostele ... more
 
Pteridophytes (Ferns and Fern Allies) - Portuguese Slides, 1003902 [W13015P], Microscope Slides LIEDER

Pteridophytes (Ferns and Fern Allies) - Portuguese Slides

207.50 €
Item: 1003902 [W13015P]
15 Microscope Slides Primitive ferns (Psilophytatae): 1(d). Psilotum, rhizome showing protostele t.s. 2(d). Psilotum, stem showing squamous leaves, aktinostele t.s. Clubmosses (Lycopodiatae) 3(c). Lycopodium, of stem showing plectostele ... more
 
Pteridophytes (Ferns and Fern Allies) - Spanish, 1003903 [W13015S], Microscope Slides LIEDER

Pteridophytes (Ferns and Fern Allies) - Spanish

207.50 €
Item: 1003903 [W13015S]
15 Microscope Slides Primitive ferns (Psilophytatae): 1(d). Psilotum, rhizome showing protostele t.s. 2(d). Psilotum, stem showing squamous leaves, aktinostele t.s. Clubmosses (Lycopodiatae) 3(c). Lycopodium, of stem showing plectostele ... more
 
Angiospermae I. Gymnospermae - German Slides, 1003904 [W13016], Microscope Slides LIEDER

Angiospermae I. Gymnospermae - German Slides

205.00 €
Item: 1003904 [W13016]
15 Microscope Slides: 1(e). Ephedra, male cone l.s. 2(f). Ephedra, female cone at pollination time l.s. 3(c). Ginkgo, young sprout, t.s. 4(c). Ginkgo, leaf t.s. 5(c). Pinus, pine, young root 6(c). Pinus, pine, first year stem 7(e) ... more
 
Angiospermae I. Gymnospermae - French, 1003905 [W13016F], Microscope Slides LIEDER

Angiospermae I. Gymnospermae - French

205.00 €
Item: 1003905 [W13016F]
15 Microscope Slides 1(e). Ephedra, male cone l.s. 2(f). Ephedra, female cone at pollination time l.s. 3(c). Ginkgo, young sprout, t.s. 4(c). Ginkgo, leaf t.s. 5(c). Pinus, pine, young root 6(c). Pinus, pine, first year stem 7(e). ... more
 
Angiospermae I. Gymnospermae - Portuguese Slides, 1003906 [W13016P], Microscope Slides LIEDER

Angiospermae I. Gymnospermae - Portuguese Slides

205.00 €
Item: 1003906 [W13016P]
15 Microscope Slides 1(e). Ephedra, male cone l.s. 2(f). Ephedra, female cone at pollination time l.s. 3(c). Ginkgo, young sprout, t.s. 4(c). Ginkgo, leaf t.s. 5(c). Pinus, pine, young root 6(c). Pinus, pine, first year stem 7(e). ... more
 
Angiospermae I. Gymnospermae - Spanish, 1003907 [W13016S], Microscope Slides LIEDER

Angiospermae I. Gymnospermae - Spanish

205.00 €
Item: 1003907 [W13016S]
15 Microscope Slides 1(e). Ephedra, male cone l.s. 2(f). Ephedra, female cone at pollination time l.s. 3(c). Ginkgo, young sprout, t.s. 4(c). Ginkgo, leaf t.s. 5(c). Pinus, pine, young root 6(c). Pinus, pine, first year stem 7(e). ... more
 
Angiospermae II. Cells and Tissues - German Slides, 1003908 [W13017], Microscope Slides LIEDER

Angiospermae II. Cells and Tissues - German Slides

241.25 €
Item: 1003908 [W13017]
20 Microscope Slides: 1(c). Epidermal cells of Allium (onion), flat mount shows typical plant cells with nuclei, cytoplasm and cell walls 2(d). Mitosis, l.s. from Allium root tips showing all stages of plant mitosis 3(f). Meiosis, t.s ... more
 
Angiospermae II. Cells and Tissues - French, 1003909 [W13017F], Microscope Slides LIEDER

Angiospermae II. Cells and Tissues - French

241.25 €
Item: 1003909 [W13017F]
20 Microscope Slides: 1(c). Epidermal cells of Allium (onion), flat mount shows typical plant cells with nuclei, cytoplasm and cell walls 2(d). Mitosis, l.s. from Allium root tips showing all stages of plant mitosis 3(f). Meiosis, t.s ... more
 
Angiospermae II. Cells and Tissues - Portuguese Slides, 1003910 [W13017P], Microscope Slides LIEDER

Angiospermae II. Cells and Tissues - Portuguese Slides

241.25 €
Item: 1003910 [W13017P]
20 Microscope Slides: 1(c). Epidermal cells of Allium (onion), flat mount shows typical plant cells with nuclei, cytoplasm and cell walls 2(d). Mitosis, l.s. from Allium root tips showing all stages of plant mitosis 3(f). Meiosis, t.s ... more
 
Angiospermae II. Cells and Tissues - Spanish, 1003911 [W13017S], Microscope Slides LIEDER

Angiospermae II. Cells and Tissues - Spanish

241.25 €
Item: 1003911 [W13017S]
20 Microscope Slides: 1(c). Epidermal cells of Allium (onion), flat mount shows typical plant cells with nuclei, cytoplasm and cell walls 2(d). Mitosis, l.s. from Allium root tips showing all stages of plant mitosis 3(f). Meiosis, t.s ... more
 
Angiospermae III. Roots - German Slides, 1003912 [W13018], Microscope Slides LIEDER

Angiospermae III. Roots - German Slides

188.75 €
Item: 1003912 [W13018]
15 Microscope Slides: 1(d). Allium cepa, onion, root tips, l.s. showing all stages of mitosis 2(c). Zea mays, corn, t.s. of typical monocot root 3(c). Iris, t.s. of typical monocot root 4(c). Ranunculus, buttercup, t.s. of a typical dicot ... more
 
Angiospermae III. Roots - French, 1003913 [W13018F], Microscope Slides LIEDER

Angiospermae III. Roots - French

188.75 €
Item: 1003913 [W13018F]
15 Microscope Slides: 1(d). Allium cepa, onion, root tips, l.s. showing all stages of mitosis 2(c). Zea mays, corn, t.s. of typical monocot root 3(c). Iris, t.s. of typical monocot root 4(c). Ranunculus, buttercup, t.s. of a typical dicot ... more
 
Angiospermae III. Roots - Portuguese Slides, 1003914 [W13018P], Microscope Slides LIEDER

Angiospermae III. Roots - Portuguese Slides

188.75 €
Item: 1003914 [W13018P]
15 Microscope Slides: 1(d). Allium cepa, onion, root tips, l.s. showing all stages of mitosis 2(c). Zea mays, corn, t.s. of typical monocot root 3(c). Iris, t.s. of typical monocot root 4(c). Ranunculus, buttercup, t.s. of a typical dicot ... more
 
Angiospermae III. Roots - Spanish, 1003915 [W13018S], Microscope Slides LIEDER

Angiospermae III. Roots - Spanish

188.75 €
Item: 1003915 [W13018S]
15 Microscope Slides: 1(d). Allium cepa, onion, root tips, l.s. showing all stages of mitosis 2(c). Zea mays, corn, t.s. of typical monocot root 3(c). Iris, t.s. of typical monocot root 4(c). Ranunculus, buttercup, t.s. of a typical dicot ... more
 
Angiospermae IV. Stems - German Slides, 1003916 [W13019], Microscope Slides LIEDER

Angiospermae IV. Stems - German Slides

256.25 €
Item: 1003916 [W13019]
20 Microscope Slides: 1(c). Canna, t.s. of typical monocot stem with scattered bundles 2(f). Aristolochia, t.s. of one year, two years stem and older stem, all 3 in on slide 3(e). Dicot and monocot stem, t.s. of Helianthus and Canna 4 ... more
 
Angiospermae IV. Stems - French, 1003917 [W13019F], Microscope Slides LIEDER

Angiospermae IV. Stems - French

256.25 €
Item: 1003917 [W13019F]
20 Microscope Slides: 1(c). Canna, t.s. of typical monocot stem with scattered bundles 2(f). Aristolochia, t.s. of one year, two years stem and older stem, all 3 in on slide 3(e). Dicot and monocot stem, t.s. of Helianthus and Canna 4 ... more
 
Angiospermae IV. Stems - Portuguese Slides, 1003918 [W13019P], Microscope Slides LIEDER

Angiospermae IV. Stems - Portuguese Slides

256.25 €
Item: 1003918 [W13019P]
20 Microscope Slides: 1(c). Canna, t.s. of typical monocot stem with scattered bundles 2(f). Aristolochia, t.s. of one year, two years stem and older stem, all 3 in on slide 3(e). Dicot and monocot stem, t.s. of Helianthus and Canna 4 ... more
 
Angiospermae IV. Stems - Spanish, 1003919 [W13019S], Microscope Slides LIEDER

Angiospermae IV. Stems - Spanish

256.25 €
Item: 1003919 [W13019S]
20 Microscope Slides: 1(c). Canna, t.s. of typical monocot stem with scattered bundles 2(f). Aristolochia, t.s. of one year, two years stem and older stem, all 3 in on slide 3(e). Dicot and monocot stem, t.s. of Helianthus and Canna 4 ... more
 
Angiospermae V. Leafs - German Slides, 1003920 [W13020], Microscope Slides LIEDER

Angiospermae V. Leafs - German Slides

173.75 €
Item: 1003920 [W13020]
15 Microscope Slides: 1(d). Elodea, l.s. of stem tip showing apical meristem and origin of leaves 2(d). Leaves, monocot and dicot, Zea and Ranunculus, t.s. 3(c). Syringa, lilac, t.s. of typical dicot leaf 4(c). Iris, typical isobilateral ... more
 
Angiospermae V. Leafs - French, 1003921 [W13020F], Microscope Slides LIEDER

Angiospermae V. Leafs - French

173.75 €
Item: 1003921 [W13020F]
15 Microscope Slides: 1(d). Elodea, l.s. of stem tip showing apical meristem and origin of leaves 2(d). Leaves, monocot and dicot, Zea and Ranunculus, t.s. 3(c). Syringa, lilac, t.s. of typical dicot leaf 4(c). Iris, typical isobilateral ... more
 
Angiospermae V. Leafs - Portuguese Slides, 1003922 [W13020P], Microscope Slides LIEDER

Angiospermae V. Leafs - Portuguese Slides

173.75 €
Item: 1003922 [W13020P]
15 Microscope Slides: 1(d). Elodea, l.s. of stem tip showing apical meristem and origin of leaves 2(d). Leaves, monocot and dicot, Zea and Ranunculus, t.s. 3(c). Syringa, lilac, t.s. of typical dicot leaf 4(c). Iris, typical isobilateral ... more
 
Angiospermae V. Leafs - Spanish, 1003923 [W13020S], Microscope Slides LIEDER

Angiospermae V. Leafs - Spanish

173.75 €
Item: 1003923 [W13020S]
15 Microscope Slides: 1(d). Elodea, l.s. of stem tip showing apical meristem and origin of leaves 2(d). Leaves, monocot and dicot, Zea and Ranunculus, t.s. 3(c). Syringa, lilac, t.s. of typical dicot leaf 4(c). Iris, typical isobilateral ... more
 
Angiospermae VI. Flowers - German Slides, 1003924 [W13021], Microscope Slides LIEDER

Angiospermae VI. Flowers - German Slides

173.75 €
Item: 1003924 [W13021]
15 Microscope Slides: 1(e). Zea and Ranunculus, t.s. of monocot and dicot flowers 2(d). Bellis, l.s. of composite flower bud 3(d). Taraxacum, dandelion, t.s. of composite flower bud 4(d). Papaver, poppy, t.s. of flower bud with parietal ... more
 
Angiospermae VI. Flowers - French, 1003925 [W13021F], Microscope Slides LIEDER

Angiospermae VI. Flowers - French

173.75 €
Item: 1003925 [W13021F]
15 Microscope Slides: 1(e). Zea and Ranunculus, t.s. of monocot and dicot flowers 2(d). Bellis, l.s. of composite flower bud 3(d). Taraxacum, dandelion, t.s. of composite flower bud 4(d). Papaver, poppy, t.s. of flower bud with parietal ... more
 
Angiospermae VI. Flowers - Portuguese Slides, 1003926 [W13021P], Microscope Slides LIEDER

Angiospermae VI. Flowers - Portuguese Slides

173.75 €
Item: 1003926 [W13021P]
15 Microscope Slides: 1(e). Zea and Ranunculus, t.s. of monocot and dicot flowers 2(d). Bellis, l.s. of composite flower bud 3(d). Taraxacum, dandelion, t.s. of composite flower bud 4(d). Papaver, poppy, t.s. of flower bud with parietal ... more
 
Angiospermae VI. Flowers - Spanish, 1003927 [W13021S], Microscope Slides LIEDER

Angiospermae VI. Flowers - Spanish

173.75 €
Item: 1003927 [W13021S]
15 Microscope Slides: 1(e). Zea and Ranunculus, t.s. of monocot and dicot flowers 2(d). Bellis, l.s. of composite flower bud 3(d). Taraxacum, dandelion, t.s. of composite flower bud 4(d). Papaver, poppy, t.s. of flower bud with parietal ... more
 
Angiospermae VII. Fruits and Seeds - German Slides, 1003928 [W13022], Microscope Slides LIEDER

Angiospermae VII. Fruits and Seeds - German Slides

176.25 €
Item: 1003928 [W13022]
15 Microscope Slides: 1(d). Triticum, wheat, t.s. of kernel (grain), endosperm and starch grains 2(e). Triticum, wheat, l.s. of kernel showing origin of embryo 3(d). Zea mays, corn, young cob t.s. 4(d). Phaseolus, bean, t.s. of pod with ... more
 
Angiospermae VII. Fruits and Seeds - French, 1003929 [W13022F], Microscope Slides LIEDER

Angiospermae VII. Fruits and Seeds - French

176.25 €
Item: 1003929 [W13022F]
15 Microscope Slides: 1(d). Triticum, wheat, t.s. of kernel (grain), endosperm and starch grains 2(e). Triticum, wheat, l.s. of kernel showing origin of embryo 3(d). Zea mays, corn, young cob t.s. 4(d). Phaseolus, bean, t.s. of pod with ... more
 
Angiospermae VII. Fruits and Seeds - Portuguese Slides, 1003930 [W13022P], Microscope Slides LIEDER

Angiospermae VII. Fruits and Seeds - Portuguese Slides

176.25 €
Item: 1003930 [W13022P]
15 Microscope Slides: 1(d). Triticum, wheat, t.s. of kernel (grain), endosperm and starch grains 2(e). Triticum, wheat, l.s. of kernel showing origin of embryo 3(d). Zea mays, corn, young cob t.s. 4(d). Phaseolus, bean, t.s. of pod with ... more
 
Angiospermae VII. Fruits and Seeds - Spanish, 1003931 [W13022S], Microscope Slides LIEDER

Angiospermae VII. Fruits and Seeds - Spanish

176.25 €
Item: 1003931 [W13022S]
15 Microscope Slides: 1(d). Triticum, wheat, t.s. of kernel (grain), endosperm and starch grains 2(e). Triticum, wheat, l.s. of kernel showing origin of embryo 3(d). Zea mays, corn, young cob t.s. 4(d). Phaseolus, bean, t.s. of pod with ... more
 
The Animal Cell - German Slides, 1003932 [W13023], Microscope Slides LIEDER

The Animal Cell - German Slides

196.25 €
Item: 1003932 [W13023]
12 Microscope Slides: 1(c). Squamous epithelium, isolated cells from human mouth 2(d). Striated muscle l.s. showing nuclei, striations 3(d). Compact bone and hyaline cartilage t.s., two sections for comparison 4(e). Nerve fibres isolated ... more
 
The Animal Cell - French, 1003933 [W13023F], Microscope Slides LIEDER

The Animal Cell - French

196.25 €
Item: 1003933 [W13023F]
12 Microscope Slides: 1(c). Squamous epithelium, isolated cells from human mouth 2(d). Striated muscle l.s. showing nuclei, striations 3(d). Compact bone and hyaline cartilage t.s., two sections for comparison 4(e). Nerve fibres isolated ... more
 
The Animal Cell - Portuguese Slides, 1003934 [W13023P], Microscope Slides LIEDER

The Animal Cell - Portuguese Slides

196.25 €
Item: 1003934 [W13023P]
12 Microscope Slides: 1(c). Squamous epithelium, isolated cells from human mouth 2(d). Striated muscle l.s. showing nuclei, striations 3(d). Compact bone and hyaline cartilage t.s., two sections for comparison 4(e). Nerve fibres isolated ... more
 
The Animal Cell - Spanish, 1003935 [W13023S], Microscope Slides LIEDER

The Animal Cell - Spanish

196.25 €
Item: 1003935 [W13023S]
12 Microscope Slides: 1(c). Squamous epithelium, isolated cells from human mouth 2(d). Striated muscle l.s. showing nuclei, striations 3(d). Compact bone and hyaline cartilage t.s., two sections for comparison 4(e). Nerve fibres isolated ... more
 
Plant Cell - German Slides, 1003936 [W13024], Microscope Slides LIEDER

Plant Cell - German Slides

150.00 €
Item: 1003936 [W13024]
12 Microscope Slides: 1(c). Epidermis of Allium (onion), w.m. showing simple plant cells with cell walls, nuclei and cytoplasm 2(d). Root tips of Allium cepa l.s. showing cell division (mitosis) in all stages 3(e). Pollen mother cells ... more
 
Plant Cell - French, 1003937 [W13024F], Microscope Slides LIEDER

Plant Cell - French

150.00 €
Item: 1003937 [W13024F]
12 Microscope Slides: 1(c). Epidermis of Allium (onion), w.m. showing simple plant cells with cell walls, nuclei and cytoplasm 2(d). Root tips of Allium cepa l.s. showing cell division (mitosis) in all stages 3(e). Pollen mother cells ... more
 
Plant Cell - Portuguese Slides, 1003938 [W13024P], Microscope Slides LIEDER

Plant Cell - Portuguese Slides

150.00 €
Item: 1003938 [W13024P]
12 Microscope Slides: 1(c). Epidermis of Allium (onion), w.m. showing simple plant cells with cell walls, nuclei and cytoplasm 2(d). Root tips of Allium cepa l.s. showing cell division (mitosis) in all stages 3(e). Pollen mother cells ... more
 
Plant Cell - Spanish, 1003939 [W13024S], Microscope Slides LIEDER

Plant Cell - Spanish

150.00 €
Item: 1003939 [W13024S]
12 Microscope Slides: 1(c). Epidermis of Allium (onion), w.m. showing simple plant cells with cell walls, nuclei and cytoplasm 2(d). Root tips of Allium cepa l.s. showing cell division (mitosis) in all stages 3(e). Pollen mother cells ... more
 
Set of Genetic Slides - German Slides, 1003940 [W13025], Microscope Slides LIEDER

Set of Genetic Slides - German Slides

438.75 €
Item: 1003940 [W13025]
25 Microscope Slides 1(d). Allium, root tips, l.s. showing all stages of mitosis 2(e). Eschscholtzia, stigma, w.m. showing penetrating pollen 3(e). Lilium, microspore mother cells, first division, leptotene to zygotene 4(e). Lilium, first ... more
 
Set of Genetic Slides - French, 1003941 [W13025F], Microscope Slides LIEDER

Set of Genetic Slides - French

438.75 €
Item: 1003941 [W13025F]
25 Microscope Slides 1(d). Allium, root tips, l.s. showing all stages of mitosis 2(e). Eschscholtzia, stigma, w.m. showing penetrating pollen 3(e). Lilium, microspore mother cells, first division, leptotene to zygotene 4(e). Lilium, first ... more
 
Set of Genetic Slides - Portuguese Slides, 1003942 [W13025P], Microscope Slides LIEDER

Set of Genetic Slides - Portuguese Slides

438.75 €
Item: 1003942 [W13025P]
25 Microscope Slides 1(d). Allium, root tips, l.s. showing all stages of mitosis 2(e). Eschscholtzia, stigma, w.m. showing penetrating pollen 3(e). Lilium, microspore mother cells, first division, leptotene to zygotene 4(e). Lilium, first ... more
 
Set of Genetic Slides - Spanish, 1003943 [W13025S], Microscope Slides LIEDER

Set of Genetic Slides - Spanish

438.75 €
Item: 1003943 [W13025S]
25 Microscope Slides 1(d). Allium, root tips, l.s. showing all stages of mitosis 2(e). Eschscholtzia, stigma, w.m. showing penetrating pollen 3(e). Lilium, microspore mother cells, first division, leptotene to zygotene 4(e). Lilium, first ... more
 
Sea Urchin Embryology (Psammechinus miliaris) - German Slides, 1003944 [W13026], Microscope Slides LIEDER

Sea Urchin Embryology (Psammechinus miliaris) - German Slides

236.25 €
Item: 1003944 [W13026]
12 Microscope Slides: 1(d). Sea urchin, unfertilized eggs 2(d). Sea urchin, fertilized eggs 3(d). Sea urchin, two cells 4(d). Sea urchin, four cells 5(d). Sea urchin, eight cells 6(d). Sea urchin, sixteen cells 7(d). Sea urchin, thirty ... more
 
Sea Urchin Embryology (Psammechinus miliaris) - French, 1003945 [W13026F], Microscope Slides LIEDER

Sea Urchin Embryology (Psammechinus miliaris) - French

236.25 €
Item: 1003945 [W13026F]
12 Microscope Slides 1(d). Sea urchin, unfertilized eggs 2(d). Sea urchin, fertilized eggs 3(d). Sea urchin, two cells 4(d). Sea urchin, four cells 5(d). Sea urchin, eight cells 6(d). Sea urchin, sixteen cells 7(d). Sea urchin, thirty ... more
 
Sea Urchin Emryology (Psammechinus miliaris) - Portuguese Slides, 1003946 [W13026P], Microscope Slides LIEDER

Sea Urchin Emryology (Psammechinus miliaris) - Portuguese Slides

236.25 €
Item: 1003946 [W13026P]
12 Microscope Slides 1(d). Sea urchin, unfertilized eggs 2(d). Sea urchin, fertilized eggs 3(d). Sea urchin, two cells 4(d). Sea urchin, four cells 5(d). Sea urchin, eight cells 6(d). Sea urchin, sixteen cells 7(d). Sea urchin, thirty ... more
 
Sea Urchin Embryology (Psammenchinus miliaris) - Spanish, 1003947 [W13026S], Microscope Slides LIEDER
Clearance -

Sea Urchin Embryology (Psammenchinus miliaris) - Spanish

215.00 €
Item: 1003947 [W13026S]
12 Microscope Slides 1(d). Sea urchin, unfertilized eggs 2(d). Sea urchin, fertilized eggs 3(d). Sea urchin, two cells 4(d). Sea urchin, four cells 5(d). Sea urchin, eight cells 6(d). Sea urchin, sixteen cells 7(d). Sea urchin, thirty ... more
 
Frog Embryology (Rana) - German Slides, 1003948 [W13027], Microscope Slides LIEDER

Frog Embryology (Rana) - German Slides

191.25 €
Item: 1003948 [W13027]
10 Microscope Slides: 1(f). Frog, morula, l.s. 2(f). Frog, blastula. l.s. shows blastocoel with macro- and micromeres 3(f). Frog, gastrula, sagittal l.s. shows germ layers, dorsal lip, yolk plug 4(f). Frog, neurula, t.s. showing primordium ... more
 
Frog Embryology (Rana) - French, 1003949 [W13027F], Microscope Slides LIEDER

Frog Embryology (Rana) - French

191.25 €
Item: 1003949 [W13027F]
10 Microscope Slides: 1(f). Frog, morula, l.s. 2(f). Frog, blastula. l.s. shows blastocoel with macro- and micromeres 3(f). Frog, gastrula, sagittal l.s. shows germ layers, dorsal lip, yolk plug 4(f). Frog, neurula, t.s. showing primordium ... more