Fresh water Diatom

he genus Synedra has long, needle-like cells that exist singly or in radiate colonies. In the colonies the cells are clustered together at one point by a mucilage cushion that is secreted from a pore field on each cell. Certain species have two short horns or spines protruding from the valve face just above the pore field. The valves are covered by rows of round or elongated areolae. The cells appear rectangular when viewed from the girdle or side view. Each cell has two long, plate-like plastids.

Date: 09/08/2018
Time: 1.49pm

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