China 
Africa 
- Desmolase
- Desmoplasia
- Desmoplastic fibroma
- Desmoplastic melanoma
- Desmoplastic small round cell tumor
- Desmoplastic trichoepithelioma
- Desmopressin
- Desmosine
- Desmosomes
- Desmosterol
- Desmoteplase
- Desogestrel
- Desomorphine
- Desonide
- Desorption electrospray ionization
- Desosamine
- Desoximetasone
- Desquamation
- Desquamative gingivitis
- Desquamative interstitial pneumonia
- Destabilization
- Destination therapy
- Destrin
- Destroying angel
- Desulfonation
- Desulfovibrio
- Desvenlafaxine
- Detailed balance
- Detergents
- Deterioration
- Determinants of health
- Detoxication
- Detoxification
- Detritivores
- Detrusor
- Dettol
- Detyrosination
- Deubiquitinase
- Deubiquitinating enzyme
- Deucravacitinib
- Deuteride
- Deuterium
- Deuterium oxide
- Deutetrabenazine
- Devazepide
- Development of the reproductive system
- Developmental Origins of Health and Disease
- Developmental abnormalities
- Developmental anatomy
- Developmental cognitive neuroscience
- Developmental coordination disorder
- Developmental delay
- Developmental delays
- Developmental disabilities
- Developmental disability
- Developmental disorders
- Developmental dyslexia
- Developmental genetics
- Developmental milestones
- Developmental neuroscience
- Developmental plasticity
- Developmental process
- Developmental psychology
- Developmental psychopathology
- Developmental regression
- Developmental science
- Developmental stage
- Developmental stages
- Developmental theory
- Developmental toxicity
- Developmental venous anomaly
- Developmental verbal dyspraxia
- Deviance
- Deviated septum
- Dexamethasone
- Dexamethasone acetate
- Dexamethasone sodium phosphate
- Dexamethasone suppression test
- Dexamphetamine
- Dexanabinol
- Dexfenfluramine
- Dexibuprofen
- Dexketoprofen
- Dexlansoprazole
- Dexmedetomidine
- Dexpanthenol
- Dexpramipexole
- Dexrazoxane
- Dextran
- Dextran 70
- Dextranase
- Dextranomer
- Dextrin
- Dextro-Transposition of the great arteries
- Dextro-transposition of the great arteries
- Dextroamphetamine
- Dextrocardia
- Dextromethorphan
- Dextropropoxyphene
- Dextrorphan
- Dextrose
- Dextrothyroxine
- Dezocine
- Dhat syndrome
- DiGeorge syndrome
- Diabesity
- Diabetes
- Diabetes Control and Complications Trial
- Diabetes insipidus
- Diabetes mellitus
- Diabetes mellitus in pregnancy
- Diabetes mellitus type 1
- Diabetic amyotrophy
- Diabetic angiopathy
- Diabetic cardiomyopathy
- Diabetic cheiroarthropathy
- Diabetic coma
- Diabetic dermopathy
- Diabetic diet
- Diabetic embryopathy
- Diabetic foot
- Diabetic foot infection
- Diabetic foot ulcers
- Diabetic hypoglycemia
- Diabetic ketoacidosis
- Diabetic macular edema
- Diabetic nephropathy
- Diabetic neuropathy
- Diabetic papillopathy
- Diabetic peripheral neuropathy
- Diabetic retinopathy
- Diabetogenic
- Diabetologist
- Diabody
- Diabulimia
- Diacerein
- Diacetyl
- Diacylglycerol
- Diacylglycerol acyltransferase
- Diacylglycerol kinase
- Diacylglycerol lipase
- Diadenosine tetraphosphate
- Diadochokinesia
- Diafiltration
- Diagnosis
- Diagnosis Related Group
- Diagnosis of exclusion
- Diagnosis related groups
- Diagnosis-related group
- Diagnostic