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MedTerms Medical Dictionary A-Z List - F: Detailed Datasheet
Medically reviewed by Min Clinic Staff | Updated: January 2026
Fa-FaFb-FeFf-FkFl-FlFm-FqFr-FsFt-Fz
FFa-Fa
- F (coefficient of inbreeding)
- F (symbol)
- Fabricated illness by proxy
- Fabry disease
- Face, masklike
- Facelift
- Facelift surgery risks
- Facial canal introitus
- Facial muscle
- Facial nerve
- Facial nerve paralysis
- Facies
- Facio-auriculo-vertebral spectrum
- Facioauriculovertebral sequence
- Faciodigitogenital dysplasia
- Faciogenital dysplasia
- Facioscapulohumeral muscular dystrophy
- Factitious disease by proxy
- Factitious disorder by proxy
- Factor V
- Factor V Leiden
- Factor VIII
- Factor X
- Factor, colony-stimulating
- Factor, rheumatoid
- Facultative
- Facultative heterochromatin
- FAE (fetal alcohol effects)
- Fahr syndrome
- Fahrenheit
- Failure to thrive (FTT)
- Failure, adrenal
- Failure, autonomic
- Failure, heart
- Failure, respiratory
- Fainting (syncope)
- Falciparum malaria
- FALDH deficiency
- Fallopian tube
- False labor
- False negative
- False positive
- False rib
- False vocal cord
- False vocal fold
- Familial
- Familial adenomatous coli, autosomal recessive
- Familial adenomatous polyposis
- Familial adenomatous polyps, autosomal recessive
- Familial advanced sleep-phase syndrome (FASPS)
- Familial ALS
- Familial amyotrophic lateral sclerosis
- Familial breast cancer
- Familial cancer
- Familial colorectal cancer
- Familial cylindromatosis
- Familial dysautonomia
- Familial eosinophilia
- Familial hypercholesterolemia
- Familial hypertrophic cardiomyopathy
- Familial juvenile nephronophthisis (FJN)
- Familial lung cancer
- Familial Mediterranean fever (FMF)
- Familial mental retardation 1
- Familial mental retardation protein
- Familial Parkinson disease type 1
- Familial Parkinson disease type 10
- Familial Parkinson disease type 11
- Familial Parkinson disease type 2
- Familial Parkinson disease type 3
- Familial Parkinson disease type 4
- Familial Parkinson disease type 5
- Familial Parkinson disease type 6
- Familial Parkinson disease type 7
- Familial Parkinson disease type 8
- Familial Parkinson disease type 9
- Familial polyposis
- Familial polyposis of colon, autosomal recessive
- Familial polyposis of entire GI tract
- Familial primary pulmonary hypertension
- Familial tremor
- Family
- Family history
- Family history of colon cancer
- Family history of colon polyps
- Family history of colorectal cancer
- Family medicine
- Family physician
- Family planning, natural
- Family practice
- Family therapy
- Family, extended
- Family, gene
- Family, nuclear
- Fanconi anemia
- Fanconi pancytopenia
- Fantod
- FAO deficiency
- FAP
- Fari Amini
- Fariborz Amini
- Farsightedness
- Fart
- FAS
- FAS diagnosis
- FAS gene
- Fascia
- Fasciculation
- Fasciitis
- Fasciitis, eosinophilic
- Fasciitis, plantar
- Fascinoma
- Fasciola hepatica
- Fascioliasis
- Fasciolopsiasis
- Fasciolopsis
- Fasciolopsis buski
- Fasting
- Fasting blood glucose
- Fat
- Fat cell
- Fat embolism
- Fat requirements, infant
- Fat scales
- Fat, brown
- Fat, saturated
- Fat, trans
- Fat, unsaturated
- Fatal familial insomnia
- FATCO syndrome
- Father
- Fatigue
- Fats
- Fatty acid
- Fatty acid, trans
- Fatty acids
- Fatty acids,omega-3
- Fatty alcohol: NAD oxidoreductase deficiency
- Fatty aldehyde dehydrogenase deficiency
- Fatty liver of pregnancy, acute
- Fauces
- Fava bean
- Favism
FFb-Fe
- FBLN3
- FBLN5
- FBN1
- FCC
- FDA
- FDA recalls
- Fear of age
- Fear of animals
- Fear of bacteria
- Fear of bees
- Fear of being buried alive
- Fear of birds
- Fear of blood
- Fear of blushing
- Fear of bridges
- Fear of cats
- Fear of children
- Fear of closed spaces
- Fear of cold
- Fear of crossing bridges
- Fear of crossing streets
- Fear of demons
- Fear of depths
- Fear of dogs
- Fear of drinking alcohol
- Fear of dust
- Fear of feces
- Fear of flowers
- Fear of flying
- Fear of fur
- Fear of ghosts
- Fear of going to bed
- Fear of having a malformed child
- Fear of heat
- Fear of heights
- Fear of horses
- Fear of insects
- Fear of intercourse
- Fear of joy
- Fear of loneliness
- Fear of marriage
- Fear of men
- Fear of mirrors
- Fear of money
- Fear of new things
- Fear of nudity
- Fear of oneself
- Fear of pain
- Fear of pleasure
- Fear of public places
- Fear of self
- Fear of sexual intercourse
- Fear of sharks
- Fear of socializing
- Fear of solitude
- Fear of spiders
- Fear of the dark
- Fear of the number 13
- Fear of thunder
- Fear of thunderstorms
- Fear of travel
- Fear of vomiting
- Fear of water
- Fear of women
- Fear of work
- Fear of worms (parasitic)
- Febrile
- Febrile herpes
- Febrile seizure
- Fecal
- Fecal incontinence
- Fecal occult blood test
- Fecalith
- Feces
- Fecund
- Fecundity
- Federal Emergency Management Agency
- Fee for service
- Feed contaminant
- Feedback
- Feeding tube
- Feeding, breast
- Feet
- Felty syndrome
- Felty's syndrome
- FEMA
- Female
- Female condom
- Female external genitalia
- Female genitalia
- Female gonad
- Female internal genitalia
- Female organs of reproduction
- Female orgasmic dysfunction
- Female pelvis
- Female urethral meatus
- Female urethral opening
- Femara
- Femicide
- Femoral
- Femoral artery
- Femoral head, avascular necrosis of the
- Femoral vein
- Femur
- Fenestration
- Ferritin
- Ferrocalcinosis, cerebrovascular
- Ferroniere
- Fertile
- Fertility
- Fertility awareness
- Fertilization
- Fertilization, in vitro
- FET1
- Fetal alcohol effects (FAE)
- Fetal alcohol syndrome
- Fetal circulation
- Fetal distress
- Fetal dystocia
- Fetal fibronectin
- Fetal infant
- Fetal mortality rate
- Fetal pleural effusion
- Fetal rubella effects
- Fetal surgery
- Fetal vaccinia
- Fetishism
- Fetoprotein, alpha- (AFP)
- Fetoscope
- Fetoscopy
- Fetus
- FEV1
- Fever
- Fever blister
- Fever of Unknown Origin
- Fever therapy
- Fever with renal syndrome, hemorrhagic
- Fever, breakbone
- Fever, cat scratch
- Fever, chikungunya
- Fever, dandy
- Fever, dengue
- Fever, dengue hemorrhagic (DHF)
- Fever, desert
- Fever, dumdum
- Fever, Ebola virus
- Fever, epidemic hemorrhagic
- Fever, familial Mediterranean (FMF)
- Fever, five-day
- Fever, hemorrhagic
- Fever, jail
- Fever, Lassa
- Fever, Mediterranean
- Fever, Meuse
- Fever, Philippine hemorrhagic
- Fever, Pontiac
- Fever, puerperal
- Fever, Q
- Fever, quintan
- Fever, relapsing
- Fever, remittent
- Fever, rheumatic
- Fever, Rift Valley
- Fever, Rocky Mountain spotted (RMSF)
- Fever, scarlet
- Fever, shin bone
- Fever, Southeast Asian hemorrhagic
- Fever, splenic
- Fever, spotted
- Fever, Thai hemorrhagic
- Fever, tick
- Fever, trench
- Fever, typhoid
- Fever, typhus
- Fever, undulant
- Fever, valley
- Fever, West Nile
- Fever, Wolhynia
- Fever, yellow
- Feverfew
FFf-Fk
- FFI
- fFN
- FGD1
- FGFR2
- FGFR3
- Fiber
- Fiber and bowel disorders
- Fiber and cholesterol
- Fiber and constipation
- Fiber and diabetes
- Fiber FISH
- Fiber, elastic
- Fiber, soluble and insoluble
- Fibrates for lowering cholesterol
- Fibril
- Fibrillation
- Fibrillation, atrial
- Fibrillation, auricular
- Fibrillation, ventricular
- Fibrillin 1
- Fibrin
- Fibrinogen
- Fibro fog
- Fibroadenoma
- Fibroblast
- Fibroblast growth factor receptor 2
- Fibrocystic breast condition
- Fibrodysplasia ossificans progressiva (FOP)
- Fibrofolliculomas, trichodiscomas and acrochordons
- Fibroid
- Fibroids
- Fibroma
- Fibroma, cemento-ossifying
- Fibroma, desmoplastic
- Fibroma, nonossifying
- Fibromatosis
- Fibromyalgia
- Fibronectin, fetal
- Fibrosarcoma
- Fibrosis, cystic
- Fibrosis, premacular
- Fibrosis, pulmonary
- Fibrosis, radiation
- Fibrositis
- Fibrous dysplasia, monostotic
- Fibrous dysplasia, polyostotic
- Fibula
- Fibulin 3
- Fibulin 5
- Field, visual
- Fields disease
- Fievre boutonneuse
- Fifth cranial nerve
- Fifth disease
- Filariasis
- Filariasis, lymphatic
- Filgrastim
- Filial
- Filler
- Film
- Film, AP
- Film, lateral
- Film, PA
- Film, tear
- Filoviridae
- Filovirus
- Fine needle aspiration
- Finger prick
- Finger stick
- Fingernail
- Fingerprint
- Fingers, six
- Finished DNA sequence
- Fire ant sting
- Fire ants
- Fire gilding
- Fire supplies kit
- Fire, St. Anthony's
- Fireworks injury
- First American medical journal
- First American medical school
- First and second branchial arch syndrome
- First cranial nerve
- First degree burn
- First do no harm
- First stage of labor
- FISH
- Fish bowl granuloma
- Fish odor syndrome
- Fish oil, omega-3
- Fisher's exact test
- Fissure
- Fissure, palpebral
- Fistula
- Fistula, anal
- Fistulize
- Five-day fever
- Five-lipoxygenase activating protein
- Five-lipoxygenase-activating protein
- Fixation, external
- Fixation, internal
- Fixative
FFl-Fl
- Flail chest
- Flank
- FLAP
- Flare
- Flashing
- Flat affect
- Flat condyloma
- Flat feet
- Flatfeet
- Flatfoot
- Flatulence
- Flatulent
- Flatus
- Flavin-containing monooxygenase-3 (FMO3)
- Flaviviridae
- Flavivirus
- Flavivirus encephalitis
- Flavoproteins
- Flax seed
- Flesh-eating bacteria
- Flexion
- Flexner Report
- Flexural psoriasis
- Floater
- Floating elbow
- Floating rib
- Floating-Harbor syndrome
- Flood
- Flood supplies kit
- Floppy baby syndrome
- Floppy valve syndrome
- Flora
- Florence R. Sabin
- Flores man
- Flow cytometry
- Flow karyotyping
- FLT-3 inhibitor
- Flu
- Flu shot
- Flu vaccine
- Flu, Asian
- Flu, avian
- Flu, bird
- Flu, Hong Kong
- Flu, Spanish
- Flu, stomach
- Fluctuating rib
- Fluid, cerebrospinal (CSF)
- Fluorescein angiography
- Fluorescent in situ hybridization
- Fluorescent microscope
- Fluorescent treponemal antibody absorbed test
- Fluoridation
- Fluoridation, water
- Fluoride
- Fluorobody
- Fluoroscopy
- Fluorosis
- Flush
- Flutter
- Flutter, atrial
- Flying, fear of
FFm-Fq
- FMDV
- FMF (familial Mediterranean fever)
- FMO3
- FMR1
- fMRI
- FMRP
- FOBT
- Focal
- Focal dystonia due to blepharospasm
- Focal dystonia due to torticollis
- Focal gigantism
- Focal motor seizure
- Focal sclerosis
- Focal seizure
- Focused H and P
- FODMAPs
- Folate
- Folding motif
- Foley catheter
- Folic acid
- Folinic acid
- Follicle stimulating hormone test FSH Definition
- Follicle, hair
- Follicular cyst of the ovary
- Folliculitis
- Fomentation
- Fondation Jean Dausset-CEPH
- Fong disease
- Fontanel (fontanelle)
- Food
- Food and Drug Administration
- Food insecure
- Food irradiation
- Food poisoning
- Food poisoning, Campylobacter
- Food security
- Food, functional
- Food, super
- Food-insecure
- Food-secure
- Foodborne disease
- Foot
- Foot drop
- Foot fungus
- Foot pain
- Foot type
- Foot, athlete
- Foot-and-mouth disease
- Foot-drop
- Foot-drop brace
- Footdrop
- Footling presentation
- Foramen
- Foramen magnum
- Foramen of Magendie
- Foramen ovale
- Foramen, interventricular
- Foramen, intervertebral
- Foramen, neural
- Foramina
- Foramina of Luschka
- Forced expiratory volume
- Forceps
- Forceps, obstetrical
- Forearm
- Foreign body airway obstruction
- Forensic
- Forensic anthropology
- Forensic genetics
- Forensic medicine
- Forensics, DNA
- Foreskin
- Foreskin and glans, inflammation of the
- Foreskin, inflammation of the
- Foreskin, tight
- Forestier disease
- Forget me
- Forgotten disease
- Formaldehyde
- Formalin
- Formication
- Formula feeding
- Formula, infant
- Formulary
- Fornication
- Fornices
- Fornix
- Fornix cerebri
- Fornix conjunctivae
- Fornix uteri
- Fornix vaginae
- Founder effect
- Four-finger crease
- Four-finger line
- Fournier's gangrene
- Fourth cranial nerve
- Fourth disease
- Fourth stage of labor
- Fourth ventricle
- Fovea
- Fovea centralis
- Fowl plague
FFr-Fs
- Fraction, ejection
- Fracture
- Fracture, basilar
- Fracture, clay-shoveler's
- Fracture, comminuted
- Fracture, compound
- Fracture, compression
- Fracture, greenstick
- Fracture, hangman's
- Fracture, open
- Fracture, Salter-Harris
- Fracture, spiral
- Fracture, stress
- Fracture, toddler's
- Fracture, torsion
- Fracture, torus
- Fracture, transverse
- Fractured hip
- Fragile site
- Fragile X chromosome
- Fragile X syndrome
- Fragile X tremor/ataxia syndrome
- Frailty syndrome
- Frambesia
- Frame, open reading
- Frame, reading
- Framingham Study
- Francis Crick
- Frankenfood
- Fraser Syndrome
- Frasier syndrome
- Fraternal twin
- Freckle
- Freckles
- Fred L. Soper
- Fredrickson
- Fredrickson, Donald
- French disease
- French paradox
- Frenulum
- Frenum
- Frequency, urinary
- Freudian
- Frey syndrome
- Friedreich's ataxia
- Friend in dying
- Frigidity
- Frontal
- Frontal bone
- Frontal lobe
- Frontotemporal Degeneration (FTD)
- Frostbite
- Frotteurism
- Frozen shoulder
- Fructose
- Fruit fly
- Fruitfly genome
FFt-Fz
- ft.
- FTA-ABS test
- FTT
- Fuchs endothelial corneal dystrophy
- Fugue state
- Full gene sequence
- Fumarase deficiency
- Functional food
- Functional gene test
- Functional genomics
- Functional hemispherectomy
- Functional magnetic resonance imaging
- Functional scoliosis
- Fundoplication
- Fundus
- Fundus, retinal
- Fungal
- Fungal nail infection
- Fungi
- Fungicidal
- Fungicide
- Fungiform
- Fungiform papilla
- Fungistat
- Fungistatic
- Fungus
- Fungus, foot
- Funnel chest (pectus excavatum)
- Funny bone
- FUO (Fever of Unknown Origin)
- Furuncle
- Fusiform
- Fusiform aneurysm
- Fusion inhibitor
- Fusion, spinal
- Fusospirillary gingivitis
- Fusospirillosis
- Fusospirochetal gingivitis
- FXTAS