China 
Africa 
- HindIII
- Hindbrain
- Hindgut
- Hindlimb
- Hindsight bias
- Hinge joint
- Hinokitiol
- Hip
- Hip arthroplasty
- Hip arthroscopy
- Hip bone
- Hip dislocations
- Hip dysplasia
- Hip examination
- Hip extensors
- Hip flexor
- Hip fracture
- Hip joint
- Hip prosthesis
- Hip protectors
- Hip replacement
- Hip resurfacing
- Hip spica cast
- Hippo signaling pathway
- Hippocampal formation
- Hippocampal sclerosis
- Hippocampal sulcus
- Hippocampus
- Hippocampus proper
- Hippocratic Oath
- Hippophae
- Hippophae rhamnoides
- Hippuric acid
- Hippus
- Hirschberg test
- Hirschsprung's disease
- Hirsutism
- Hirudin
- Hirudo medicinalis
- Hispidulin
- Histamine
- Histamine N-methyltransferase
- Histamine antagonist
- Histamine dihydrochloride
- Histamine intolerance
- Histamine receptors
- Histamine release
- Histaminergic
- Histatin
- Histidine
- Histidine ammonia-lyase
- Histidine decarboxylase
- Histidine kinase
- Histidinemia
- Histiocytes
- Histiocytic sarcoma
- Histiocytoma
- Histiocytosis
- Histochemistry
- Histocompatibility
- Histogenesis
- Histological analysis
- Histology
- Histone H1
- Histone acetylation
- Histone acetylation and deacetylation
- Histone acetyltransferase
- Histone code
- Histone deacetylase
- Histone deacetylase 5
- Histone deacetylase inhibitor
- Histone methylation
- Histone methyltransferase
- Histone modification
- Histone octamer
- Histone variants
- Histone-modifying enzymes
- Histones
- Histopathology
- Histoplasma capsulatum
- Histoplasmosis
- Historical trauma
- History of virology
- Histrelin
- Histrionic personality disorder
- Hit selection
- Hit to Lead
- Hoarding
- Hoarding disorder
- Hodges-Lehmann estimator
- Hodgkin lymphoma
- Hodgkin's lymphoma
- Hoechst 33342
- Hoechst stain
- Hoehn and Yahr scale
- Hoffmann's reflex
- Hofmeister series
- HolC
- Hold test
- Holding hands
- Hole-board test
- Holiday heart syndrome
- Holin
- Holistic health
- Holistic medicine
- Holistic nursing
- Holliday junctions
- Hollow fiber membrane
- Hollow-cathode lamp
- Holmes and Rahe stress scale
- Holmes tremor
- Holocrine
- Holoendemic
- Holoenzyme
- Holoenzymes
- Holograms
- Holography
- Holoprosencephaly
- Holt-Oram syndrome
- Holter monitor
- Homatropine
- Home birth
- Home care
- Home hemodialysis
- Home medical equipment
- Home modifications
- Home parenteral nutrition
- Home ultrasound
- Homelessness and mental health
- Homeobox
- Homeobox A10
- Homeodomain proteins
- Homeopathy
- Homeosis
- Homeostasis
- Homeostatic capacity
- Homeostatic model assessment
- Homeostatic plasticity
- Homeothermy
- Homeotic genes
- Homesickness
- Homicidal ideation
- Homicide
- Homing
- Homing endonucleases
- Homoarginine
- Homocitrulline
- Homocysteic acid
- Homocysteine
- Homocystine