求翻译：1. 3 S-D大鼠胸腹主动脉内皮细胞培养[2] 氯胺酮以2mg/kg腹腔麻醉S-D大鼠，无菌条件下取出胸腹主动脉长约3-5cm，动脉穿刺针小心穿过动脉腔，小镊子夹住动脉一端，将整条血管翻转，成为外膜朝内，内膜朝外，用五号线结扎动脉两端， 37是什么意思？

1.3 S-D large rats chest abdominal active pulse endothelial cell training [2] chlorine amine ketone to 2mg/kg abdominal anesthesia S-D large rats, no bacteria conditions Xia out chest abdominal active pulse long about 3-5cm, artery puncture needle carefully through artery cavity, small tweezers clips live artery end, will whole article vascular flip, became outside film towards within, within film towards outside, with Line 5 line ligation artery ends, 37