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. 2019 Dec 24;225(1):403–425. doi: 10.1007/s00429-019-02000-w

Fig. 10.

Fig. 10

Pretectal input to preganglionic motoneurons. a Low-magnification view of the region containing brown, retrogradely labeled motoneurons in EWpg, C-group and the III. Boxed region shown at higher magnification in (b). Labeled axons (arrows) arborize and display numerous boutons, some of which display close associations (arrowheads) with the labeled preganglionic motoneurons