3B Scientific - page 27

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. . . g o i n g o n e s t e p f u r t h e r
25
M i c r o s c o p e S l i d e s
Art.-No. Topic
Streptococcus lactis, milk souring organisms,
smear showing chains
Diatoms, strewn slide of mixed species
Nostoc, blue green alga, filamentous colonies
within gelatinous sheaths
Spirogyra, vegetative filaments with spiral
chloroplasts
Volvox, with daughter colonies and sexual stages,
w.m.
Saccharomyces, yeast, budding cells w.m.
Physcia, foliose lichen, thallus with symbiotic
algae t.s.
Sphagnum, peat moss, w.m. of leaf showing
chlorophyll-bearing and hyaline cells.
Flowering Plants
Lupinus, lupin, root nodules with symbiotic
bacteria t.s.
Root tip and root hairs
Zea mays, corn, typical monocot root t.s.
Ranunculus, buttercup, typical dicot root t.s.,
central stele
Zea mays, corn, monocot stem with scattered
bundles t.s.
Helianthus, sunflower, typical herbaceous dicot
stem t.s.
Aristolochia, older stem t.s. shows secondary
growth
Cucurbita, pumpkin, l.s. of stem with sieve tubes,
annular and reticulate vessels, sclerenchyme fibres
Pinus, pine, three sections of wood: transverse,
radial, tangential
Tilia, lime, three sections of wood: transverse,
radial, tangential
Tulipa, tulip, epidermis of leaf with stomata and
guard cells w.m., surface view
Iris, typical monocot isobilateral leaf, t.s.
Syringa, lilac, leaf t.s. showing epidermis, palisade
parenchyma, spongy parenchyma, vascular
bundles
Fagus, beech, sun and shade leaves, two t.s. for
comparison
Nerium, oleander, xerophytic leaf with sunken
stomata, t.s.
Lilium, lily, anthers with pollen grains and pollen
sacs t.s.
Lilium, ovary t.s. showing arrangement of ovules
Triticum, wheat, grain (seed) sagittal l.s. with
embryo and endosperm
Taraxacum, dandelion, composite flower l.s.
Pinus, pine, male cone with pollen l.s.
Pinus, female cone with ovules l.s.
Art.-No. Topic
Cytology and Genetics , Embryology
Mitochondria, in thin sec. through liver or kidney,
special staining technique
DNA in cell nuclei, demonstrated by Feulgen
staining technique
Giant chromosomes from the salivary gland of
Chironomus. Individual genes and puffs can be
observed
Human chromosomes, spread in the stage of
metaphase, for counting chromosomes
Spinal cord of cat, t.s. silvered for nerve cells and
fibres
Allium cepa, l.s. of root tips showing cell divisions
(mitosis) in all stages, carefully stained
Chloroplasts, in leaf of Elodea or Mnium, special
stained
Sea-urchin development (Psammechinus miliaris), com-
posite slide with two cell, four cell and eight cell stages
Sea-urchin development (Psammechinus miliaris), com-
posite slide with morula, blastula and gastrula stages
Frog embryology (Rana spec.), sec. trough the
blastula stage showing the blastocoel
Frog embryology (Rana spec.), sag. sec. through
young larva in the tail bud stage, with primordia
of organs
Chicken embryo, 48 hour, t.s. with neural tube and
chorda
Embryo of mouse, sagittal l.s. of entire specimen
showing all organs in situ
Paras ites and pathogens
Escherichia coli, bacteria from colon, probably
pathogenic, smear Gram stained
Eberthella typhi, causing typhoid fever, smear
from culture, Gram stained
Plasmodium berghei, malaria parasite, blood
smear
Trypanosoma gambiense, causing sleeping
disease, blood smear
Culex pipiens, mosquito, head and piercing-
sucking mouth parts of female, w.m.
Tuberculous lung, t.s. of diseased human lung
showing miliary tubercles in tissue
Coal dust lung (Anthracosis pulmonum), t.s. of
human smoker’s lung
Liver cirrhosis of man caused by alcohol abuse, t.s.
showing degeneration of liver cells
Arteriosclerosis, t.s. of diseased human coronary
artery showing sclerotic changes in the arterial wall
Ecology and environment,
pests in agriculture
Varroa, parasitic mite of bees w.m.
Leaf (needle) of fir (Abies), two t.s. of leaves,
healthy and damaged by environmental
influences (acid rain)
Leaf of beech (Fagus), two t.s. of leaves, healthy
and damaged by environmental influences (acid
rain)
Indi v idua l Mi croscope S l ides
1...,17,18,19,20,21,22,23,24,25,26 28,29,30,31,32,33,34,35
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