3B General Biology 50 Slides School Set D

50 Slides.

• Ciliated epithelium, in t.s. of fallopian tube of pig

• Tendon of cow, l.s. showing white fibrous tissue, stained for fibres and cells

• Heart muscle, human, t.s. and l.s., branched fibres with central nuclei and intercalated discs

• Lymph gland of pig, t.s. showing lymphoid tissue

• Esophagus of cat, t.s. with stratified squamous epithelium, muscular layers

• Stomach of cat, t.s. through fundic region showing gastric glands

• Large intestine (colon), t.s. special stained for the mucous cells

• Pancreas of pig, sec. showing islets of Langerhans

• Thyroid gland of pig, sec. showing glandular epithelium and colloid

• Adrenal gland of cat, t.s. through cortex and medulla

• Sperm of bull (spermatozoa), smear

• Motor nerve cells, smear from spinal cord of cow showing w.m. of motor nerve cells and their

processes

• Cerebrum, human, t.s. of cortex showing pyramidal cells and fibrous region

• Human skin from palm, v.s. showing cornified epidermis, germinative zone, sweat glands

Zoology

• Distomum hepaticum (Fasciola), the beef liver fluke, w.m. and stained for general study of

internal organs

• Taenia spec., tapeworm, w.m. of mature proglottids

• Culex pipiens, mosquito, head and piercing- sucking mouth parts of female, w.m.

• Culex pipiens, mosquito, head and reduced mouth parts of male, w.m.

• Cimex lectularius, bed bug, w.m. of adult specimen

Cytology and Genetics

• Mitochondria, in thin sec. through liver or kidney, special staining technique

• Golgi apparatus, t.s. through spinal ganglion, special staining

• Chloroplasts, in leaf of Elodea or Mnium, special

• Aleurone grains, in sec. of Ricinus endosperm

• Storage, section of liver or kidney, vital stained with trypan-blue to demonstrate storage in

epithelial cells

• DNA in cell nuclei, demonstrated by Feulgen staining technique

• DNA and RNA, fixed and stained with methyl green and pyronine to show DNA and RNA in

different colors

• 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

• Meiotic and mitotic stages in sec. of crayfish testis. Nuclear spindles are present

• Maturation divisions in ova of Ascaris megalocephala, different stages, ironhematoxylin stained

• Cleavage stages in ova of Ascaris megalocephala, ironhematoxylin stained

Bacteria and Diseased Organs of Man

• Escherichia coli, bacteria from colon, probably pathogenic, smear Gram stained

• Eberthella typhi, causing typhoid fever, smear from culture, Gram stained

• Tuberculous lung, t.s. of diseased human lung showing military 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

• Metastatic carcinoma (cancer) of human liver, t.s.

Embryology

• Sea-urchin development (Psammechinus miliaris), composite slide with two cell, four cell and eight

cell stages

• Sea-urchin development (Psammechinus miliaris), composite 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

Ecology and Environment

• 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)

• Bacteria from waste-water, smear with many typical forms

Botany

• Nostoc, blue green alga, filamentous colonies within gelatinous sheaths

• Desmids (Desmidiaceae), strewn slide of various species

• Sphagnum, peat moss, w.m. of leaf showing chlorophyll-bearing and hyaline cells.

• Triticum, wheat, t.s. of stem of a gramineous plant with central pith and circular arrangement of

bundles

• Salvia, sage, t.s. of a square stem with angular collenchyma