LM of green alga Hydrodityon reticulatum.

LM of green alga Hydrodityon reticulatum.

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Credit: M.I. WALKER/SCIENCE PHOTO LIBRARY

Caption: Light micrograph of a colony of Hydrodictyon reticulatum, a freshwater green alga also known as the water-net. Each individual cylindrical cell typically connects with 6 neighbours (5-8 are also known) to form a three-dimensional network. Hydrodictyon is a coenobium or determinate colony, which means that the total number of divisions & thus the number of cells making up the colony is fixed at the time of the origin of the colony & cannot be extended. Unlike indeterminate colonies, it is not simply an aggregate of cells with unlimited potential for cell division. Magnification: x63 at 35mm size.

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Keywords: alga, algae, algal, botany, green, hydrodictyon reticulatum, light micrograph, nature, plant, water net alga

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