Small Intestinal Crypt of Lieberkühn.

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Crypt lumen. Many modulatory factors are released into the crypt lumen, possibly to control the differentiation programs of the epithelial stem cells. Paneth cells release a phospholipase A2 (enhancing factor) that affects the binding of epidermal growth factor (EGF) to its receptor.

Key points in this image
Paneth cell | granule | lumen | undifferentiated crypt stem cell | lamina propria | nucleus |
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Module Name: crypt
Module Title: Small Intestinal Crypt of Lieberkühn.
Image Info: Electron micrograph taken by Lisa Roberts, 10,000X (?) magnification.
Created by: Lynn Bry
Last modified: Dec 12th, 1996.

Created with Annotation 1.0