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. 2019 Oct 9;10:4594. doi: 10.1038/s41467-019-12568-w

Fig. 1.

Fig. 1

Segmental pattern of the vertebral lymphatic vasculature in the thoracic spine. a Alcian blue/Alizarin red staining of the mouse vertebral column with boxes indicating position of images shown in Figs. 1–4 (thoracic vertebrae) and 5 (cervical and lumbar vertebrae), spatial orientation (A: anterior, P: posterior, L: lateral, V: ventral). b Alizarin red staining of two successive thoracic vertebrae (delimited by red/blue dots, lateral view). LF: ligamentum flavum, red asterisk: ventral vertebral body, blue arrow: facet joint (FJ), red arrowhead: ventral intervertebral disk, blue asterisk: intervertebral foramen. c latero-frontal schematic drawing corresponding to (b). DM: dura mater, LM: leptomeninges (pia mater and arachnoid), SC: spinal cord, SN: spinal nerve. d Dorsal view of LYVE1 staining. Red and blue areas correspond to two successive vertebrae. Note LVs lining ligamentum flavum. e, f Dorsal (e) and lateral (f) views of the PROX1 expression pattern. Red and blue areas correspond to two successive vertebrae. Salmon arrows: intervertebral LVs, blue arrow: dorsal LVs. g, h Segmented images of the PROX1 LV network (fronto-dorsal (g) and lateral (h) views) highlighting three successive vertebral LV units (red, blue, green). Scale bars: 2 mm (a); 300 µm (b, e, f); 200 µm (d, g, h)