FIV

Anagrams

 * IFV, IVF

Noun

 * 1)  clotting factor IV.

Related terms

 * FI
 * FII
 * FIII
 * FV
 * FVI
 * FVII
 * FVII
 * FIX
 * FX
 * FXI
 * FXII
 * FXIII