Fig. 1From: Network analysis of the left anterior descending coronary arteries in swim-trained rats by an in situ video microscopic techniqueMicroprepared, pressure-perfused, video microscopy images of intramural coronary resistance artery network branches of the left coronary artery of an exercised male rat. Note the orifice–apex axis drawn and the numbering of segments. Scale bar, 1 mmBack to article page