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. 2010 Jun 11;86(6):839–849. doi: 10.1016/j.ajhg.2010.04.011

Figure 2.

Figure 2

TAB2 Expression in Human Embryonic Hearts

(A) Section of a 5.5 wk embryo. TAB2 expression (brown color) is prominent in the ventricular trabeculae and in the endocardial cushions of the outflow tract.

(B) Magnification of endocardial cushions.

(C) Frontal section of a 7.5 wk embryo.

(D) Magnification showing cytoplasmic expression of TAB2 in the endothelial cells lining the developing aortic valves.

Abbreviations are as follows: At, atrium; Ao, aorta; EC, endocardial cushions; Tr, trabeculae; Ve, ventricle.