腹缘

鳃腹缘形成食物沟，鳃丝上具有明显的侧纤毛、前纤毛和前侧纤毛，鳃丝表面可见大量入鳃小孔。

Ventral margin of gill forms food groove , and there are obvious lateral cilia , frontal cilia and anterolateral cilia on gill filament , and a great number of holes into the gills on the surface of gill filament .

两个小伸缩泡位于口前庭的腹缘。

Two small contractile vacuoles located near ventral wall of infundibulum .

经腹肋缘下切口在泌尿外科中的应用

The Application of Transperitoneal Subcostal Incision in Urological Surgery

经腹直肌外侧缘直切口在输尿管取石术中的应用

The application of straight lateral rectus incision in the removal of stone in the upper and middle segments of ureter

经腹切口上切缘癌残留率为3.5%（4/113），与其他两组有显著差异（P<0.05）。

The occurrence rate of remnant cancer along upper incision end was 3.5 % ( 4 / 113 ) in patients with abdominal incision , with a significant difference from the other two groups ( P < 0.05 ) .