vasa vasorum

== English == === Etymology === From the Latin vāsa, plural of vās (“vessel”) + vāsōrum, the genitive plural of vās (“vessel”). Meaning "vessels of the vessels." === Noun === vasa vasorum pl (plural only) (anatomy) The capillaries that supply blood to vessels larger than 1 mm. They supply blood to the adventitia and middle tunicae. ==== Usage notes ==== Singular forms include "vasa vasis" and "vas vasis". ==== Translations ====