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Images Dated 18th February 2002

Available as Framed Photos, Photos, Wall Art and Gift Items

Choose from 12 pictures in our Images Dated 18th February 2002 collection for your Wall Art or Photo Gift. Popular choices include Framed Photos, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.


Choroid plexus secretory cells, SEM Featured 18 Feb 2002 Print

Choroid plexus secretory cells, SEM

Choroid plexus secretory cells. Coloured scanning electron micrograph (SEM) of a freeze-fractured choroid plexus from a brain. The fracture plane (green) has revealed the vertical columns of secretory cells, whose tips make up the surface (upper right). The tips are swollen due to increased secretion of the cerebrospinal fluid (CSF) that they produce. The choroid plexus is a network of capillary blood vessels that is found in each of the four ventricles (fluid-filled cavities) of the brain. It produces some of the CSF that surrounds and protects the brain and spinal cord. Magnification: x5000 at 6x7cm size

© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY