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Nerve cells. Coloured scanning electron micrograph (SEM) of nerve cells, known as neurones. Nerve cells occur in the brain, spinal cord, and in ganglia. Each nerve cell has a large cell body (brown) with several long processes extending from it. The processes usually consist of one thicker axon and several thinner branched dendrites. The dendrites collect information in the form of nerve impulses from other nerve cells and pass it to the cell body.

Nerve cells. Coloured scanning electron micrograph (SEM) of nerve cells, known as neurones. Nerve cells occur in the brain, spinal cord, and in ganglia. Each nerve cell has a large cell body (brown) with several long processes extending from it. The processes usually consist of one thicker axon and several thinner branched dendrites. The dendrites collect information in the form of nerve impulses from other nerve cells and pass it to the cell body.

A cross section of a bundle of nerve fibers. Axons (orange) are wrapped in myelin (purple); an extension of the membrane of glial cells. Colored SEM.

A cross section of a bundle of nerve fibers. Axons (orange) are wrapped in myelin (purple); an extension of the membrane of glial cells. Colored SEM.

✯ Nerve cells and glial cells, coloured scanning electron micrograph (SEM). The nerve cells have small cell bodies (orange) and fine extensions called axons and dendrites (brown). The glial cells have large cell bodies (blue) with thicker extensions (pale green). Neurons are responsible for passing information around the central nervous system (CNS) and from the CNS to the rest of the body. Glial cells are nervous system cells that provide the neurons with structural support and…

✯ Nerve cells and glial cells, coloured scanning electron micrograph (SEM). The nerve cells have small cell bodies (orange) and fine extensions called axons and dendrites (brown). The glial cells have large cell bodies (blue) with thicker extensions (pale green). Neurons are responsible for passing information around the central nervous system (CNS) and from the CNS to the rest of the body. Glial cells are nervous system cells that provide the neurons with structural support and…

Cells lining the trachea, viewed with ZEISS ORION NanoFab microscope Eva Mutunga and Kate Klein, University of the District of Columbia a...

Cells lining the trachea, viewed with ZEISS ORION NanoFab microscope Eva Mutunga and Kate Klein, University of the District of Columbia a...

cerebellum neuron known as the purkinje cell

cerebellum neuron known as the purkinje cell

Nerve cells, artwork

Nerve cells, artwork

A neuron in the Retina.

A neuron in the Retina.

Human bone under Scanning Electron Microscope : Low power SEM images, showing normal bone architecture in the third lumbar vertebra of a 30 year old woman (x20)

Human bone under Scanning Electron Microscope : Low power SEM images, showing normal bone architecture in the third lumbar vertebra of a 30 year old woman (x20)

Blood vessels in the human body…

Blood vessels in the human body…

Scanning electron micrograph of the chicken egg, showing the eggshell’s crystal microstructure in cross-section. Credit: Mary Caswell Stoddard/Jeremy Skepper, Department of Zoology, University of Cambridge

Scanning electron micrograph of the chicken egg, showing the eggshell’s crystal microstructure in cross-section. Credit: Mary Caswell Stoddard/Jeremy Skepper, Department of Zoology, University of Cambridge

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