Comment: "interapertural area" is the more general term independently from the aperture type interstitium, see infratectum
Comment: outdated term intine part of the pollen wall next to the cytoplasm, mainly consisting of polysaccha-rides.  intra-
preflxforwithin. irregular, see outline iso-
prefix meaning identical. isodiametric , see shape isopolar_15, 94
pollen grain with identical proximal and distal faces.  Antonym: heteropolar.
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