Osr1-expressing mesoderm contributes to lymphatic vessel assembly and complexity in the mammalian kidney. - Jafree DJ; Russell LG; Stathopoulou A; O'Riordan C; Rowan CJ; White AT; Kolatsi-Joannou M; Price KL; Ivins S; Ridge LA; Roberts C; Rose A; et al. (Cell reports, 2026)