Dictionary » M » Morphogen



(Science: embryology) diffusible substance that carries information relating, for example: to position in the embryo and thus determines the differentiation that cells perceiving this information will undergo.

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organs shape

... Since the source of the gradient stays approximately constant, its concentration gradient flattens as the tissue grows. When the difference in the morphogen concentration sensed by the two ends of the cells along the axis of the gradient falls below a certain threshold, the cells stop growing."

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by animus
Thu Jun 28, 2012 4:41 pm
Forum: Human Biology
Topic: organs shape
Replies: 1
Views: 5548

Direction of Cell division

... continues. While another cell just next to that cell, has no receptor, and will not follow that signaling cascade of its neighboring cell. Morphogen: http://en.wikipedia.org/wiki/Morphogen

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by kolean
Tue Jun 08, 2010 1:39 pm
Forum: Cell Biology
Topic: Direction of Cell division
Replies: 2
Views: 2456

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