The oblique openings—passages for the venae vorticosae—are said to be narrowed.
venae profundae vary in direction; for some run from east to west.
But enough of venae profundae, their junctions and divisions.
The venae dilatatae, too, for the same reasons, are either thin or thick.
The venae hepaticae magnae join the vena cava posterior and thereby form with it the vena cava inferior.
In a general way venae profundae were fissure veins and venae dilatatae were sheeted deposits.
Similarly some venae dilatatae are horizontal, some are inclined, and some are curved.
Next, venae profundae are wide, either because of abundant water or because the rock is fragile.
But first I will describe how venae dilatatae should be mined.
The Poles wash the impure lead from venae dilatatae in a trough ten feet long, three feet wide, and one and one-quarter feet deep.
vena ve·na (vē'nə)
n. pl. ve·nae (-nē)