Microscopic preparations L-750. General biology D. Box 50 pieces

Box of 50 preparations. Composed by:

• 751c Simple ciliated columnar epithelium, oviduct, t.s.
• 752d White fibrous tissue, l.s. beef tendon
• 753f Cardiac muscle of man, l.s. and t.s. Branched muscle fibers. Bright bands
• 754c Lymph node of pig, t.s. where lymphatic tissue is observed
• 755c Cat esophagus, t.s., with stratified epithelium, muscular layers
• 756d Cat stomach, t.s. through the fundic region with gastric glands
• 757d Large intestine (colon) stained to highlight mucous cells, t.s.
• 758d Pig pancreas, section showing islets of Langerhans
• 759d Pig thyroid gland, section showing glandular and colloid epithelium
• 760d Adrenal gland of cat, t.s. through the cortex and medulla
• 761d Bull semen sample (sperm)
• 762e Motor nerve cells, sample of the spinal cord of a bovine in which the cellular cuperos and their extensions are observed
• 763f Human brain, t.s. of the cortex showing pyramidal cells and fibrous region
• 764d Human palm skin, vertical section showing cornified epidermis, germinal zone and sweat glands
• 765f Fasciola hepatica (Distomum hepaticum), large liver fluke, flat preparation, w.m.
• 766f Taenia spec., tapeworm, w.m. of proglottis with staining for general study
• 767e Culex pipiens, mosquito or mosquito, head and piercing parts of a female, w.m.
• 768e Culex pipiens, reduced head and mouthparts of the male, p. compl.
• 769f Cimex lectularius, stink bug, p.c.
• 770f Mitochondria in liver or kidney cells.
• 771g Golgi apparatus in a spinal ganglion section
• 772d Chloroplasts in Elodea or Mnium leaf, special stain
• 773c Aleurone grains, cut from the endosperm of Ricinus
• 774f Storage, liver section, vital stain with trypan blue to demonstrate storage in epithelial cells
• 775g DNA in cell nuclei, demonstrated by the Feulgen staining technique
• 776g DNA and RNA fixed and stained with methyl green and pyroxine to show DNA and RNA in different colors
• 777f Giant chromosomes from the salivary gland of Chironomus
• 778h Human chromosomes in the metaphase stage, p.c.
• 779f Meiotic and mitotic stages in a section of shrimp (Astacus) testicles. Spermatogenesis, nuclear spindles present
• 780f Ascaris megalocephala, eggs, maturation division, iron hematoxylin stain
• 781f Ascaris megalocephala, eggs, segmentation stages, h.d.e. staining
• 782d Escherichia coli, colonic bacteria, probably pathogenic, Gram stained specimen
• 783d Eberthella typhi, which causes typhoid fever, shows Gram stain
• 784e Tuberculous human lung, t.s., miliary tuberculosis
• 785e Human anthracosis, t.s. (smoker's lung)
• 786e Human liver cirrhosis caused by alcohol abuse, t.s. showing degeneration of liver cells
• 787e Arteriosclerosis, t.s. of diseased coronary artery
• 788e Metastatic carcinoma (cancer) of the human liver, t.s.
• 789e Development of the sea urchin (Psammechinus miliaris), composite preparation showing bicellular, tetracellular and octocellular stages
• 790e Development of the sea urchin (Psammechinus miliaris), composite preparation showing morula, blastula and gastrula stages
• 791f Embryology of the frog (Rana sp.), section of the blastula stage showing the blastocoel
• 792f Embryology of the frog (Rana sp.), sagittal section of a young larva in the tail bud stage with organ primordia
• 793e Leaf (needle) of fir (Abies alba), two t.s. of leaves, one healthy and the other damaged by environmental factors (acid rain)
• 794e Beech leaf (Fagus silvatica), two t.s. of the leaves, one healthy and the other damaged by environmental factors (acid rain)
• 795d Sewage bacteria, sample with typical shapes (Sphaerotilus)
• 796c Nostoc, blue-green algae with heterocysts
• 797e Desmidiaceae, group of conjugate algae
• 798c Sphagnum, peat or swamp moss, w.m. of the leaf where cells carrying chlorophyll and hyaline cells are observed
• 799c Triticum, wheat, t.s., stem of a grass with a pith cavity and a group of vascular bundles arranged in an annular shape
• 800c Sage, t.s. of a square stem with angular collenchyma