See Also: treponema immobilization test(medicine)
Treponema pallidum immobilization test(medicine)
Treponema pallidum immobilization reaction(medicine)
Five hundred dollar rule(finance)
Five hundred dollar rule(money)
microhemagglutination-Treponema pallidum test(medicine)
Treponema pallidum haemagglutination test(medicine)
immobilization(medicine)
treponema(medicine)
HUNDRED, Eng(law)

Five hundred dollar rule (finance) and treponema immobilization test (medicine)


Five hundred dollar rule (finance)


A rule of the Federal Reserve that excludes deficiencies of $500 or less in margin requirements as a necessary reason for the firm to liquidate the client's account to cover a margin call.





treponema immobilization test (medicine)


treponema immobilization test
Syphilis serodiagnosis employing as the antigen treponema pallidum obtained from rabbit syphilis orchitis. Treponemes are kept alive for a few hours in a special medium. When syphilitic serum and complement are added and incubated, the treponemes are immobilised, i.e., stop moving.