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. 2017 Dec 6;7:17071. doi: 10.1038/s41598-017-16897-y

Figure 2.

Figure 2

Ex vivo trans-scleral 2-photon imaging of structure and cells in distal aqueous drainage tract of GFP/mTomato mice. (A) Orthogonal image reconstruction showing td-Tomato (red) and GFP (green) lining an intrascleral plexus (ISP), collector channel (CC) and outer wall of Schlemm’s canal (SC) within scleral collagen (SHG; cyan). Vertical dashed lines: serial depths (z) of optical slices shown in b-i. Horizontal arrows: laser path. (B) Branching ISP lumen located z = 16.5 μm deep to the conjunctival epithelium. (C) At z = 22.5 μm, ISP connection to a CC is evident. (D) At z = 33 μm, the vertically orientated CC is clearly separate from ISP. (E) At 43.5 μm, the CC maintained its course but narrows. (F) At z = 54 μm, the CC merges with a different, deeper ISP (asterisk). (G) At 64.5 μm, the CC widens as it approaches SC. (H) At z = 75 μm, the CC opens into SC at a collector channel opening (CCO). (I) View inside SC wherein a mosaic of GFP and td-Tomato-positive cells populate the outer wall.