X factor

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X factor

Hair replacement A popular term for an unidentified cause of follicular destruction, which occurs in up to 1% of Pts undergoing hair transplantation

X factor

A growth factor, identified as hemin, that is needed to grow Haemophilus influenzae in culture.
See: hemin
See also: factor

X factor

see hemin.
References in periodicals archive ?
20pm The X Factor Results ITV, 8pm The numbers are dwindling in the shiny ballroom as 10 become nine, and the fifth act is booted off in X's sing-off.