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Home > All Images > 2002 > September > 4 Sep 2002

Images Dated 4th September 2002

Choose from 22 pictures in our Images Dated 4th September 2002 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Ulcerative colitis, SEM Featured 4 Sep 2002 Print

Ulcerative colitis, SEM

Ulcerative colitis. Coloured scanning electron micrograph (SEM) of freeze-fractured bowel tissue from a patient suffering from ulcerative colitis. The fracture plane has passed through the walls of a tubular gland, leaving the space (lumen) between the walls (lower left to top right) surrounded by a section through these walls. This section shows that the wall comprises columnar absorptive cells that absorb nutrients through the microvilli on their surface. This surface is partly visible in the lumen. The absence of mucus-secreting goblet cells is a characteristic of ulcerative colitis, which is the inflammation and ulceration of the colon and rectum. Magnification unknown

© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY