| FFWW | fat-free wet weight |
|---|---|
| FIH | familial isolated hypoparathyroidism; fat-induced hyperglycemia |
| FMH | family medical history; fat-mobilizing hormone; feto-maternal hemorrhage; fibromuscular hyperplasia |
| FMS | fat-mobilizing substance; Fellow of the Medical Society; fibromyalgia syndrome; full mouth series |
| FTT | failure to thrive; fat tolerance test |