via physorg.com
Photo: Arabidopsis stem-cells (greenish-yellow) surrounded by differentiating cells (red). Niche cells (not seen here) are located beneath the stem cells. Credit: Reddy lab, UC Riverside.
"Plant stem-cells are master cells located at the tip of the stem and are part of a structure called the shoot apical meristem (SAM). Here, the stem cells—all clumped together—divide throughout the life of the plant to give rise to other cells, resulting in the formation of above-ground organs such as leaves, flowers, branches and stem."
Wonder if author is any relation to Prem Reddy, who's revolutionizing hospital acquisitions?
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