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3B scientific school set A (general biology) - spanish
Features and Benefits
- 25 Slides:
- Zoology: 1 Amoeba proteus, w.m. showing nucleus and pseudopodia 2 Hydra, w.m. extended specimen to show foot, body, mouth, and tentacles 3 Lumbricus, earthworm, typical t.s. back of clitellum showing muscular wall, intestine, typhlosole, nephridia etc. 4 Daphnia and Cyclops, small crustaceans from fresh water 5 Musca domestica, house fly, head and mouth parts (proboscis) w.m 6(b) Musca domestica, leg with clinging pads (pulvilli) 7 Apis mellifica, honey bee, anterior and posterior wing.
- Histology of Man and Mammals: 8 Squamous epithelium, isolated cells from human mouth 9 Striated muscle, l.s. showing nuclei and striations 10 Compact bone, t.s. special stained for cells, lamellae, and canaliculi 11Human scalp, vertical section showing l.s. of hair follicles, sebaceous glands, epidermis 12 Human blood smear, stained for red and white corpuscles.
- Bacteria and Cryptogams: 13 Bacteria from mouth, smear Gram stained showing bacilli cocci, spirilli, spirochaetes 14 Diatoms, strewn slide of mixed species, 15 Spirogyra, vegetative filaments with spiral chloroplasts 16 Mucor or Rhizopus, mold, w.m. of mycelium and sporangia 17 Moss stem with leaves w.m.
- Phanerogams: 18 Ranunculus, buttercup, typical dicot root t.s., central stele 19 Zeamays, corn, monocot stem with scattered bundles t.s. 20 Helianthus, sunflower, typical herbaceous dicot stem t.s. 21 Syringa, lilac, leaf t.s. showing epidermis, palisade parenchyma, spongy parenchyma, vascular bundles 22 Lilium, lily, anthers with pollen grains and pollen sacs t.s. 23 Lilium, ovary t.s. showing arrangement of ovules 24 Allium cepa, onion, w.m. of epidermis shows simple plant cells with cell walls, nuclei, and cytoplasm 25 Allium cepa, l.s. of root tips showing cell divisions (mitosis) in all stages, carefully stained.
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