BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY
Colon glands. Light micrograph of a cross section through mucosal glands of the colon of the large intestine. The tubular glands (rounded, four can be seen clearly) are closely packed. They contain two main types of cells. The absorptive cells are tall columnar cells with basally located nuclei (oval, purple). They are responsible for absorbing water from the unabsorbed and indigestible food as it passes through the colon. The goblet cells (not clearly seen) produce mucus to lubricate the colon. Between the glands is the blood and lymph into which water is absorbed. Haematoxylin and eosin stained. Magnification x160 at 35 mm size.
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