Medical Definition of Focus-forming assay

1. A lab technique used to find out if a particular piece of DNA contains oncogenes (genes which are associated with cancer). This is done by putting the DNA into animal cells which normally show contact inhibition, or which stop growing when they come into physical contact with other cells or reach a certain density in the culture. If the cells lose contact inhibition and form areas of densely-packed cells (called foci) after receiving the DNA, it means that the DNA did contain oncogenes. (05 Jan 1997)

Lexicographical Neighbors of Focus-forming Assay

focal ratio
focal reaction
focal sclerosing glomerulopathy
focal sclerosis
focal sclerosis with hyalinosis
focal segmental glomerulosclerosis
focal seizure
focal seizure
focal spot
focal spot size
foci
foci
focimeter
focus
focus
focus-forming assay (current term)
focus-forming unit
focusable
focused
focused grid
focuser
focusers
focuses
focusing
focusing device
focusing glass
focusing magnifier
focusless
focussed
focusses

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