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. Author manuscript; available in PMC: 2009 Nov 5.
Published in final edited form as: Toxicol Pathol. 2009 Apr 9;37(4):395–414. doi: 10.1177/0192623309335060

Figure 9.

Figure 9

Representative images of the E18.5 mouse heart. (A, upper panel) A schematic illustration of the E18.5 heart from a ventral view demonstrates the estimated plane corresponding to the hematoxylin and eosin–stained sagittal section (D). (A, lower panel) An illustration of the left lateral view of the E15.5 mouse heart is used to show the estimated planes of E18.5 frontal (B) and transverse (C) sections, because at E15.0 the heart has achieved its definite external prenatal configuration, and after that it only grows in size.