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Aerenchyma Stretches from Shoot to Root.
(A) Aerenchyma was detected at several different distances from the shoot in both hypocotyl and in root tissues.
(B) Aerenchchyma (white arrows) stretches continuously from the naturally occurring cavities of the Arabidopsis shoot (black arrow) through the unexposed parts of the hypocotyl to hypoxia-exposed hypocotyl and root tissues. BF, bright-field microscopy; UVF, UV field microscopy; x indicates objective magnification.
