Science Source Feb 2010

Nylon fiber, polarized light.

The hyaline cartilage of a human fetus, magnified 34x.

Human cerebellum; purkinje cells; silver stain magnified 34x.

Pyramidal cells in human cerebellum. Magnification, 34X. Golgi stain

Pyramidal cells in human cerebellum. Magnification, 34X. Golgi stain

Neurolglia cells in human cerebellum. Magnification, 106X. Golgi stain

Pyramidal cells in human cerebellum. Magnification, 34X. Golgi stain

Human cerebellum; silver stain magnified 56x.

Human cerebellum; silver stain magnified 34x.

Pyramidal cells in human cerebellum. Magnification, 56X. Golgi stain

Purkinje cells in human cerebellum. The cerebellum has 3 layers; the "molecular layer" (outer), the "granule cell layer" (inner), and the intervening...

Light microscopy of Euglena viridis, a minute singled-celled freshwater organism characterized by chlorophyll, a reddish eyespot, and a flagellum. Mag...

Paramecium swimming. Imaged using Nomarski Interference Contrast.

Unmyelinated nerve.

Myelinated nerve.

Human fibrocartilage, magnified 100x.

Spirogyra. Mutiple chloroplasts.

Human fibrocartilage, magnified 40x.

Light microscope of Nostoc sp., a filamentous blue-green alga or cyanobacterium. These single celled prokaryotic organisms are more closely related to...

Polarized light micrograph of crystals of naphthalene, a white, crystalline hydrocarbon with a characteristic penetrating odor. It is used as a moth r...

Drumstick in leukocyte. Human female white bloodcell. X-chromosome. 450x.

Salt crystals (NaCl).

Spirostomum sp., a ciliate, and the largest protozoan.

Endotrophic mycorrhiza in orchid root.

False color Rheinberg Illumination of table salt (NaCl). Rheinberg Illumination is a method of optical staining that allows assignation of one color t...

Oil shale, 14x. Technology can be used to extract liquid hydrocarbons from oil shale. The output of that process differs slightly from crude oil, but...

Oil shale, 50x. Technology can be used to extract liquid hydrocarbons from oil shale. The output of that process differs slightly from crude oil, but...

Opal in sandstone, 50x.

Striated muscle. Polarized light microscopy. Magification: 140x.

Human bone, Haversian canals, 50x.

Human bone, magnified 64x.

Paramecium.

Paramecium with ejected trichocysts.

Mixed green algae.

A scanning electron micrograph (SEM) of a wool/polyester blend fabric.

Volvox, green algae. 40x.

Network of nerve fibers around the intestinal muscles.

Electron micrograph of microtubules in a nerve axon.

Transmission electron micrograph (TEM) of a synapse, a junction between two nerve cells. At a synapse an electrical signal is transmitted from one cel...

Ground human bone, magnified 64x.

Fluorescent light microscopic image of two needle pine leaf. 20x

Water hyacinth leaf. Light micrograph. 32x.

Paramecium bursaria. Living, compressed. (magnification: 150x at 35mm)

Quinic acid crystals; x20 magnification; polarized light.

Household dust, which contains allergens. Enhanced SEM. Width: 604.0 micrometers.

Scanning electron micrograph (SEM) of a phonograph needle on the grooves of a record.

Scanning electron micrograph (SEM) of a phonograph needle on the grooves of a record.

SEM of nylon stocking.

SEM of nylon stocking.

Color enhanced micrograph of epithelial cells isolated from the pancreas showing the distribution of DNA (red), cytoskeleton microtubules (green), and...