An arterial spray gushed from the stump of his neck and splattered the white ground.
That would explain the arterial spray across the walls.
The arterial spray of his blood had splattered all four walls of the room.
She saw the dried arcs of arterial spray released from a victim's pulsing artery.
The absence of arterial spray on the wall.
The arterial spray shot eight feet.
You could see the arterial spray from his neck overlaying all the other bloodstains in the room.
So we know at least one victim is killed in this room, since there's arterial spray on that wall there.
A trail of arterial spray and cast-off droplets pulsed across the wall.
On one side, bursts of arterial spray.