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. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: Trends Cell Biol. 2012 Oct 12;22(12):683–691. doi: 10.1016/j.tcb.2012.09.004

Figure 1.

Figure 1

Modular functional units in mammalian organs. (a) Human skeletal muscle cross section (b) Human mammary terminal ductal lobular unit (TDLU) cross section (c) Pig liver cross section showing repeating lobules (d) Mouse embryonic kidney. Reproduced from [79], Pathpedia, Werning, S., 2007 (http://calphotos.berkeley.edu/cgi/img_query?seq_num=223971&one=T), and [80] with permission.