adult acute lymphoblastic leukemia (Monarch Disease Ontology entry MONDO_0003541) is an acute lymphoblastic leukemia occurring during adulthood. Also known as: adult ALL, adult acute lymphocytic leukaemia, adult acute lymphocytic leukemia, adult acute lymphogenous leukaemia, adult acute lymphogenous leukemia, adult acute lymphoid leukaemia, adult acute lymphoid leukemia, adult precursor lymphoblastic leukaemia.