Origin of cushion tissue in the developing chick heart: cinematographic recordings of in situ formation

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Science  21 Mar 1980:
Vol. 207, Issue 4437, pp. 1359-1360
DOI: 10.1126/science.7355294


Differential interference microscopy and time-lapse cinematography were used to determine unequivocally the origin of cushion tissue cells migrating in situ in the atrioventricular region of the embryonic chick heart. These studies have verified the presumed endocardial origin of cushion tissue mesenchyme.