1. The cytoplasm gradually reduced during the callus formation and the intercellular space increased gradually, the intercellular space was schizogenous intercellular space.
细胞质在愈伤组织形成过程中逐渐减少，胞间隙在愈伤组织形成过程中逐渐增大，为裂生型胞间隙。
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2. The cytoplasm gradually reduced during the callus formation and the intercellular space increased gradually, the intercellular space was schizogenous intercellular space.
