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. 2021 Sep 20;12:715711. doi: 10.3389/fpls.2021.715711

FIGURE 6.

FIGURE 6

Reconstructed X-ray microtomographic images of mistletoe-host interactions at various mistletoe ages. Tangential (A,C,E) and transverse sections (B,D,F; with regard to the host branch) through the attachment site are presented. The mistletoe, divided into exophyte (exo), primary haustorium (ph), sinker (s), and the host branch (h) with its pith (p) and bark (b) can be differentiated. A 4-year-old (A,B, young), an 8-year-old (C,D, middle age), and a 17-year-old (E,F, old) mistletoe are presented as representatives of their age group. The semicircular geometry of the exophyte in panel (F) results from the circular restriction of the scan volume.