- internal carotid artery thrombosis
- indurative mediastinitis
- inferior turbinate
- in so many words
- inferior colliculus
- intercarpal joint
- inferior tracheotomy
- intercostalis intimus
- internal biorbital cord
- internal drive
- infusum
- incumbent on
- intermodulation distortion
- in the pipeline
- inspiratory reserve volume
- isogamete
- inverter
- intermedious normoblast
- isoagglutinogen
- initial order
- initial program loader
- internecine quarrel or warfare
- intermuscular
- innocent xii
- internal defibrillation
- indomitably
- interpeduncular cistern
- interpeduncular artery
- inflammatory oedema
- inflammatory phimosis
- ileo_caecal granuloma
- iridodialysis
- iridocyclectomy
- iridodenosis
- infrared cataract
- indigirka
- infantile scurvy
- in clover
- in the thick of
- inspite of
- intraduct
- intraepidemal naevus
- intradermic
- intradermal injection
- ilya ilich metchnikov
- iliotransversostomy
- interosseous nerve
- index register
- interlobar sequestration
- intermembral index