[医](广)卵圆形的
网络 卵形盘肠蚤; 长鳞贝母兰; 卵形高体鲳
Fossa ovalis and the tributaries of great saphenous veins were observed and measured on 52 lower limbs of the patient.
在患者的52个下肢上观察并测量了卵圆窝和大隐静脉的支流。