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Images Dated 18th February 2002

Choose from 10 pictures in our Images Dated 18th February 2002 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Choroid plexus secretory cells, SEM Featured 18 Feb 2002 Image

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