marginal vein वाक्य

उदाहरण वाक्य

1. The costa ( C ) is the leading marginal vein on most insects, although sometimes there is a small vein above the costa called the precosta, although in almost all extant insects, the precosta is fused with the costa; The costa rarely ever branches because it is at the leading edge, which is associated at its base with the humeral plate.