we studied the aortic endothelium during the early ( 7 to 10 days ) and late ( 40 days ) phases of these models and quantified : ( 1 ) thymidine index and cell density using autoradiography on en face preparations , and ( 2 ) internal aortic circumference by planimetry .
C1706824
aortic endothelium
C0003483
aortic