The Test. Tests for Epstein-Barr virus (EBV) antibodies are used to help diagnose infectious mononucleosis (mono) if a person is symptomatic but has a negative mono test.he Test. Tests for Epstein-Barr virus (EBV) antibodies are used to help diagnose infectious mononucleosis (mono) if a person is symptomatic but has a negative mono test.
leaf scar. (botany). A mark on a stem, formed by secretion of suberin and a gumlike substance, showing where a leaf has abscised. 1  Facebook. 2  Twitter.
Past and Present. A butterfly leaf is an efficient way to create extra room at the table, eliminating the need to store an extra panel elsewhere. It's kept safe and secure, and is immediately accessible.hey evolved from the more basic drop-leaf versions, with wing-shaped leaf supports that pivoted out from stretchers on either side of the table. These were typically small side tables, rather than the more common dining table of today with the leaf stored inside.