bordered pit
bordered pit A pit in which the pit cavity is partly covered by an overarching extension of the cell wall produced by secondary thickening. A pit lacking such an overarched extension is known as a simple pit.
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Border , bor·der / ˈbôrdər/ • n. 1. a line separating two political or geographical areas, esp. countries: Iraq's northern border with Turkey. 2. the edge or… Borders Group Inc , 100 Phoenix Drive
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THIS SEASON, IT'S THE… Heterocyst , heterocyst A specialized cell found in nitrogen-fixing cyanobacteria. Heterocysts are enlarged cells with thick cell walls and they lack chlorophyll,… Cell Wall , With very few exceptions, all cells are enveloped by an extracellular matrix composed of proteins , carbohydrates , and other substances. Owing to it… Tracheid , tracheid One of the long, cylindrical, tapered cells in a trachea. The cell is dead and the wall has bands of lignin in it which add structural stren… Extension , Skip to main content
extension
As a primitive term, extension can be defined only ostensively, by pointing to a corporeal substance, the parts of whi…
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bordered pit