primary pit field
plant anatomy
Quick Summary
A primary pit field is a thin area within the walls of plant cells, particularly noticeable in cambium initials. These areas are where pits, which are openings, typically develop. Pit fields are essentially areas in a plant cell wall where pits form.12
These pit fields play a role in cell-to-cell transport. Substances can move between neighboring cells through cytoplasmic connections called plasmodesmata, which can penetrate cell walls at these primary pit field areas.3
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