- Epiploic appendages
- Epiploic appendagitis
- Epipodophyllotoxin
- Epipregnanolone
- Epiretinal membrane
- Epirubicin
- Episclera
- Episcleritis
- Episiotomy
- Episodic ataxia
- Episodic buffer
- Episodic memory
- Episodic-like memory
- Episomes
- Epispadias
- Epistasis
- Epistaxis
- Episterol
- Epitestosterone
- Epithalamus
- Epithelial cell adhesion molecule
- Epithelial cells
- Epithelial dysplasia
- Epithelial lining fluid
- Epithelial membrane antigen
- Epithelial mesenchymal transition
- Epithelial ovarian cancer
- Epithelial polarity
- Epithelial root sheath
- Epithelial sodium channel
- Epithelial-mesenchymal transition
- Epithelial-myoepithelial carcinoma
- Epithelialization
- Epithelioid hemangioendothelioma
- Epithelioid sarcoma
- Epithelioid trophoblastic tumour
- Epithelioma
- Epithelium
- Epitope
- Epitope mapping
- Epitopes
- Epitranscriptomics
- Epitympanic recess
- Eplerenone
- Epley maneuver
- Eplivanserin
- Epoetin alfa
- Epoetin beta
- Epothilone
- Epoxide hydrolase
- Epoxides
- Epoxidized soybean oil
- Epoxomicin
- Epoxy
- Epoxy resin
- Epoxyeicosatrienoic acid
- Epoxygenase
- Epratuzumab
- Epristeride
- Eprosartan
- Epsilon wave
- Epsilonproteobacteria
- Epsin
- Epstein Barr virus
- Epstein syndrome
- Epstein-Barr virus nuclear antigen 1
- Eptifibatide
- Eptinezumab
- Epulis
- Epworth Sleepiness Scale
- Equating
- Equianalgesic
- Equilenin
- Equilibrative nucleoside transporter
- Equilibrium constant
- Equilibrium dialysis
- Equilibrium potential
- Equilibrium reaction
- Equilibrium state
- Equine chorionic gonadotropin
- Equine estrogen
- Equine influenza
- Equine-assisted therapy
- Equipotentiality
- Equisetum
- Equisetum arvense
- Equivalence point
- Equivalent dose
- Equivalent rectangular bandwidth
- Equivalent weight
- Equol
- Eradication of infectious diseases
- Eravacycline
- Erb's palsy
- Erb's point
- Erdafitinib
- Erdheim-Chester disease
- Erdosteine
- Erectile dysfunction
- Erectile tissue
- Erection
- Erector spinae
- Erector spinae muscle
- Erector spinae muscles
- Erenumab
- Erethism
- Ergocalciferol
- Ergocristine
- Ergocryptine
- Ergogenic aid
- Ergometer
- Ergometrine
- Ergonomic design
- Ergosterol
- Ergosterol peroxide
- Ergot
- Ergot alkaloids
- Ergotamine
- Ergotamine tartrate
- Ergothioneine
- Ergotism
- Ergovaline
- Eribulin
- Erinacine
- Eriodictyol
- Erionite
- Erlotinib
- Erogenous zones
- Erosion
- Erosive gastritis
- Erotic plasticity
- Erotomania
- Erotophobia
- Error Catastrophe
- Error threshold
- Error-related negativity
- Ertapenem
- Ertugliflozin
- Erucic acid
- Eructation
- Eruption cysts
- Erwinia
- Erwinia amylovora
- Eryptosis
- Erysipelas
- Erysipelothrix
- Erysipelothrix rhusiopathiae
- Erysipelotrichia
- Erythema
- Erythema ab igne