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Microscopi > Necessità della microscopia > Preparate > Zoologia > LIEDER > LIEDER Citologia, persone, animali e piante (25 preparati)
Prodotto n.: 54163

Citologia, persone, animali e piante (25 preparati)

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Descrizione prodotto

Purtroppo, questa descrizione non è stato tradotto in italiano, in modo da trovare a questo punto una descrizione inglese.

Prepared Microscope Slides

Basic component of the program are the A, B, C and D series comprising of 175 microscope slides. The four series are arranged systematically and constructively compiled, so that each enlarges the subject line of the proceeding one. They contain slides of typical micro-organisms, of cell division and of embryonic developments as well as of tissues and organs of plants, animals and man. Each of the slides has been carefully selected on the basis of its instructional value. LIEDER prepared microscope slides are made in our laboratories under scientific control. They are the product of long experience in all spheres of preparation techniques. Microtome sections are cut by highly skilled staff, cutting technique and thickness of the sections are adjusted to the objects. Out of the large number of staining techniques we select those ensuring a clear and distinct differentiation of the important structures combined with best permanency of the staining. Generally, these are complicated multicolor stainings. LIEDER prepared microscope slides are delivered on best glasses with ground edges of the size 26 x 76 mm (1 x 3"). – Every prepared microscope slide is unique and individually crafted by our well-trained technicians under rigorous scientific control. We therefore wish to point out thatdelivered products may differ from the pictures in this catalog due to natural variation of the basic raw materials and applied preparation and staining methods.

The number of series in hand should correspond approximately to the number of microscopes to allow several students to examine the same prepared microscope slides at the same time. For this reason all slides out of the series can be ordered individually also. So, important microscope slides can be supplied for all students.

Animal, Human and Plant Cytology

Special Set comprising 25 prepared microscope slides of best quality

Simple animal cells in sec. of salamander liver showing nuclei, cell membranes and cytoplasm For general study of the animal cell

Mitotic stages in smear of red bone marrow of mammal *

Meiotic (maturation) stages in testis of mouse, sec. iron hematoxyline stained after Heidenhain - Meiotic (maturation) stages in sec. through testis of salamander, selected material showing large structures * - Barr bodies (human sex chromatin) in smear from female squamous epithelium * - Mitochondria in thin sec. of kidney or liver, specially prepared and stained

Golgi apparatus in sec. of spinal ganglion or other organ *

Pigment cells in skin

Storage of glycogen in liver cells, sec. stained with carmine after Best or PAS reaction - Storage of fat in cells of costal cartilage, sec. stained with Sudan

Secretion of fat in mammary gland, section stained with Osmic acid

Phagocytosis in Kupffer’s star cells of the liver, sec. of mammalian liver injected with trypan blue

Giant chromosomes in smear of the salivary gland of Chironomus larva, carefully fixed and stained

Ascaris megalocephala embryology. Sec. of uteri showing entrance and modification of sperm in ova

Ascaris megalocephala embryology. Sec. of uteri showing maturation stages (meiosis). Polar bodies can be seen

Ascaris megalocephala embryology. Sec. of uteri showing ova with male and female pronuclei

Ascaris megalocephala embryology. Sec. of uteri showing early cleavage stages (mitosis)

Ascaris megalocephala embryology. Sec. of uteri showing later cleavage stages (mitosis)

Mitosis, l.s. from Allium root tips showing all stages of plant mitosis carefully stained with iron-hematoxyline after Heidenhain

DNA and RNA, thin l.s. from Allium root tips, specially fixed and stained with methylgreen and pyronine to show DNA and RNA in different colours *

Mitochondria, thin l.s. of Allium root tips specially fixed and stained to show the mitochondria clearly

Meiosis, t.s. of Lilium anthers showing different stages of meiotic divisions - Aleurone grains, sec. of Ricinus endosperm - Inulin crystals, t.s. of tuber of Dahlia

Chloroplasts, w.m. of leaf of Elodea or Spinacea showing detail of large chloroplasts

Specifiche

LIEDER Citologia, persone, animali e piante (25 preparati)

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