(广)卵圆形的
The limbus of the fossa ovalis represents the edge of the septum secundum fused with the septum primum. 出生后，肺循环开始，左心房压力增大，致使两个隔膜紧密相贴并逐渐愈合，卵圆孔封闭，左、右心房完全分隔。
Fossa Ovalis -- Oval depression in the wall of the heart remaining when the foramen ovale closes at birth (See patent foramen ovale). 卵窝：胚胎发育时原先的卵形孔关闭后在心房隔膜上留下的卵形小坑遗迹。
The density and biomass of phytoplankton vary distinctly in diurnal and vertical dynamics mainly because of flagellate, such as C. ovalis. 浮游植物数量和生物量存在着明显的周日和垂直变化。
Either of two deciduous trees(Carya glabra or C. ovalis) of the eastern United States,having pinnately compound leaves,male flowers grouped in catkins,and nuts with somewhat bitter kernels. 光滑山核桃树美国东部的两种落叶树的一种（山核桃属光滑山核桃或山核桃属甜山核桃），长有羽状的复叶、以柔苇花序聚集的雄花和核略有苦味的果实。
Dolgoma ovalis sp. nov. 圆朵苔蛾
