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. 2024 Jun 19;630(8018):926–934. doi: 10.1038/s41586-024-07528-4

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© The Author(s) 2024, corrected publication 2024

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — a,b, Retrograde labelling of DRG neurons innervating the clitoris (a) or penis (b) and the adjacent midline hairy skin region using CTB tracers conjugated to different fluorophores (hairy: CTB-488; genital: CTB-546). Coronal sections of the upper sacral spinal cord are shown on the right. c,d Labelling of Krause corpuscle afferents using injection of AAV2-retro-hSyn-FlpO into the clitoris (c) or glans penis (d) of TrkB^creER;R26^{FSF-LSL-Tdtomato} (tamoxifen, 0.5 mg at P5) or Ret^creER;R26^{FSF-LSL-TdTomato} (tamoxifen, 3 mg at E12.5) mice, with IB4 staining to label the lamina II of the spinal cord as a reference for laminar location. Similar results were observed in more than three animals per condition. For a–d, scale bars, 200 µm. The diagrams in a and b were created by G. Park.