| FEF25-75% | Forced Expiratory Flow from 25 to 75 % of the vital capacity |
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| FRC | Functional Residual Capacity |
| FVC | Forced Vital Capacity |
| IC | 1) Iidirect Current 2) Intra-Cranial 3) Inspiratory Capaci... |
| MBC | 1) Maximal Breathing Capacity 2) Minimal Bactericidal Concentration |
| functional residual capacity | The volume of air remaining in the lungs at the end of a normal, quiet expiration. It is the sum of the residual volume and the expiratory reserve volume. Common abbreviation is frc. (12 Dec 1998) |
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