A Microscopic Study of Metals Fatigued at Ultrasonic Frequency : Part2, Electron Microscopic Observations by Replica Method

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 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 ...

Electron microscopic observations on avian esophageal epithelium.

The stratified squamous epithelium of the chicken and pigeon esophageal mucosa was studied mainly with the electron microscope. 1. The basal and spinous cells contained well-developed Golgi complexes, many mitochondria and multivesicular bodies. In the chicken basal cell a centriole and a single cilium were found. Both cells were rich in free ribosomes; the cisternae of the granular endoplasmic...

Human cardiac myosin: electron microscopic observations.

• Physicochemical studies on cardiac myosin of rabbits and dogs have shown that the myosin molecule is highly asymmetric, measuring about 1600 to 1800 A-' long and having a molecular weight of approximately SOO^OO." Electron micrographs of canine cardiac myosin have confirmed this general morphology, although the molecule appears to be several hundred angstroms shorter than the physicochemical ...

Electron microscopic observations in alcoholic heart disease.