DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Fluorescence light micrograph of a pyramidal neuron (pyramidal nerve cell) in the mammalian hippocampus. This pyramidal neuron from the hippocampus CA1 region has been stained with the fluorescent dye Lucifer Yellow. The hippocampus pyramidal nerve cell has a triangular cell body with a large primary dendrite (apical dendrite) extending from the apex of the cell body. It also has several dendrites leading from bottom edge of the cell (basal dendrites). A long axon usually extends from this basal region. Dendrites gather information for processing by the cell body. After processing, information is passed on through the cell's axon. The hippocampus plays important roles in the consolidation of information from short-term memory to long-term memory and spatial navigation. Neurons are cells of the nervous system that are specialized to carry messages through an electrochemical process. Magnification: x40 when shortest axis printed at 25.
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