Fatigue - (fa-tigue)
A condition characterised by lessened capacity for work, weariness and tiredness
Fertility - (fer-til-i-ty)
The state of being fertile and capable of producing offspring
Fissure - (fi-sher)
A tear in the skin of the anus, resulting in the painful passage of stools
Flare up - (fler-up)
Intensify suddenly
Flu - (flu)
An acute and highly contagious viral disease causing a high body temperature (fever)
Folliscope - (Fo-lli-s-cope)
Also called Phototrichogram, a system for hair and scalp analysis using a high definition microscopic camera and exclusive software