Axc Rat Lymphoma in Tissue Culture; Electron Microscopic Observations

Electron Microscopic Observations of Rat and Mouse Cerebellum in Tissue Culture

Closely ordered stages of myelin formation in cultures of newborn rat and mouse cerebellum, selected by direct light microscopy, were studied with the electron microscope. Electron micrographs of these cultures reveal the presence of neurons, axons, neuroglia, microglia, and ependymal cells. The appearance of the neuron is identical to that previously described in vivo. The neuroglial cell has ...

Electron Microscopic Observations on T

Electron microscopic study of the H.R. strain of herpes simplex virus in cells of the chicken chorioallantoic membrane (1) suggested that the virus differentiates within the nucleus, where particles possessing a central core and a single limiting membrane are randomly dispersed. In this earlier work the finding that ruptured nuclei were associated with large numbers of intracytoplasmic particle...

Electron microscopic observations in alcoholic heart disease.

Scanning electron microscopic observations of tooth germ in tissue culture with special reference to the migration of epithelial cells.

Tooth germ derived from the mandible of newborn mice was used in this study. The enamel organs were dissected and attached directly to coverslips without using the plasma clot. By this method it was possible, for the first time as far as is known, to attain preparations in which the major part of the outgrowth from the explant consisted purely of epithelial-like cells which probably were anelob...

Electron Microscopic Observations of Rabbit Antibodies

Electron micrographs were obtained showing the individual, shadow-cast macromolecules from solutions of purified anti-p-azobenzoate rabbit antibody and of normal gamma-globulin. The two materials look alike and consist mainly of asymmetrical rod-like particles about 30 to 40 A in diameter. Lengths are not constant but the weight average is about 250 A for the antibodies and about 200 A for the ...