See Also: sinus of valsalva(medicine)
Valsalva's sinus(medicine)
aneurysm of sinus of Valsalva(medicine)
valsalva(medicine)
Valsalva(dictionary)
Valsalva's ligaments(medicine)
Valsalva, Antonio(medicine)
Valsalva manoeuvre(medicine)
Valsalva's muscle(medicine)
Valsalva test(medicine)

usurer (iou) and sinus of valsalva (medicine)


usurer (iou)



usurer noun. ME.
[Anglo-Norman usurer, Old French usureor, (also mod.) usurier from usure from Latin usura USURY: see -ER2.]
A person who practises usury; a moneylender, esp. one charging an excessive rate of interest.
usuress noun (rare) a female usurer M17.

sinus of valsalva (medicine)


sinus of valsalva


The dilatation of the aortic wall behind each of the cusps of the aortic valve.