China 
Africa 
- Flow-mediated dilation
- FlowJo
- Floxuridine
- Flu
- Flu season
- Flu-like symptoms
- Flu-like syndrome
- Fluanisone
- Flubendazole
- Flubromazepam
- Flubromazolam
- Fluciclovine
- Flucloxacillin
- Fluconazole
- Fluctuating asymmetry
- Flucytosine
- Fludarabine
- Fludioxonil
- Fludrocortisone
- Fludrocortisone acetate
- Flue gas
- Flue gas desulfurisation
- Flue gas desulphurization
- Fluid balance
- Fluid deprivation test
- Fluid mosaic model
- Fluid overload
- Fluid replacement
- Fluid resuscitation
- Fluid retention
- Fluid shift
- Fluid therapy
- Fluid warmer
- Fluid-attenuated inversion recovery
- Fluidics
- Fluidization
- Fluidized bed
- Fluindione
- Fluke
- Flumazenil
- Flunarizine
- Flunisolide
- Flunitrazepam
- Flunixin
- Flunixin meglumine
- Fluocinolone
- Fluocinolone acetonide
- Fluoranthene
- Fluorescamine
- Fluorescein
- Fluorescein angiography
- Fluorescein isothiocyanate
- Fluorescein sodium
- Fluorescence
- Fluorescence activated cell sorting
- Fluorescence imaging
- Fluorescence microscopy
- Fluorescence polarization immunoassay
- Fluorescence-lifetime imaging microscopy
- Fluorescent dyes
- Fluorescent proteins
- Fluorescent tag
- Fluoridation
- Fluoride
- Fluoride poisoning
- Fluoride therapy
- Fluoride toxicity
- Fluoride varnish
- Fluorination
- Fluorine
- Fluorine 18
- Fluoroacetic acid
- Fluorobenzene
- Fluorocarbon
- Fluorochromes
- Fluorodeoxyglucose
- Fluorodeoxyuridylate
- Fluoroelastomers
- Fluoroestradiol
- Fluoroethyl-L-tyrosine
- Fluorogenic
- Fluorometer
- Fluorometholone
- Fluorophores
- Fluoropolymers
- Fluoropyrimidine
- Fluoroquinolone antibiotics
- Fluoroquinolones
- Fluoroscopy
- Fluorosis
- Fluorouracil
- Fluoxetine
- Fluoxymesterone
- Flupentixol
- Fluphenazine
- Flupirtine
- Fluprednidene
- Flurazepam
- Flurbiprofen
- Flurothyl
- Flushing
- Flutamide
- Flutemetamol
- Fluticasone
- Fluticasone furoate
- Fluticasone propionate
- Flutter valve
- Fluvastatin
- Fluvoxamine
- FlyBase
- Foam
- Foam cells
- Foam dressing
- Foam roller
- Foaming agent
- Focal adhesion
- Focal adhesion kinase
- Focal dermal hypoplasia
- Focal dystonia
- Focal hyperhidrosis
- Focal length
- Focal neurologic signs
- Focal nodular hyperplasia
- Focal segmental glomerulosclerosis
- Focal seizures
- Focused assessment with sonography for trauma
- Focused ion beam
- Focused ultrasound
- Focusing
- Foetal alcohol syndrome
- Foeticide
- Fogarty catheter
- FokI
- Folate deficiency
- Folate receptor
- Folate targeting
- Folate-binding protein
- Folding
- Foley catheter
- Folic acid
- Folin–Ciocalteu reagent
- Folk healers
- Follicle
- Follicle stimulating hormone
- Follicle-stimulating hormone
- Follicle-stimulating hormone receptor
- Follicular B cells
- Follicular B helper T cells
- Follicular antrum
- Follicular atresia