preexisting

v.

先前存在( preexist的现在分词 )；

Metastasis results from preexisting variant cells within a malignant tumor.
Mammalian Heart Renewal by Preexisting Cardiomyocytes
Structural Basis of Preexisting Immunity to the 2009 H1N1 Pandemic Influenza Virus
Sex differences in depression: a role for preexisting anxiety
Increased risk of respiratory disease and diarrhea in children with preexisting mild vitamin A deficiency.
PRIMARY NONFUNCTION OF HEPATIC ALLOGRAFTS WITH PREEXISTING FATTY INFILTRATION
...seismicity, reactivation of preexisting zones ...
Nature medicine: Preexisting influenza-specific CD4+ T cells correlate with disease protection against influenza challenge in humans
Pioglitazone use and heart failure in patients with type 2 diabetes and preexisting cardiovascular disease: data from the PROactive ...
APPARATUS FOR ALLOWING HANDHELD WIRELESS DEVICES TO COMMUNICATE VOICE AND INFORMATION OVER PREEXISTING TELEPHONE LINES