- Contaminant
- Contaminated land
- Content
- Contentment
- Context dependent memory
- Context effect
- Context sensitive half life
- Context-dependent memory
- Context-sensitive half-life
- Contextual fear conditioning
- Contigs
- Contiguous gene syndrome
- Contingency management
- Contingent negative variation
- Continuant
- Continuing medical education
- Continuity of Care Record
- Continuous ambulatory peritoneal dialysis
- Continuous erythropoiesis receptor activator
- Continuous fever
- Continuous glucose monitoring
- Continuous infusion
- Continuous performance task
- Continuous performance test
- Continuous renal replacement therapy
- Continuous training
- Continuous wave laser
- Contraception
- Contraceptive device
- Contraceptive implant
- Contraceptive mandate
- Contraceptive patch
- Contraceptive vaginal ring
- Contractile proteins
- Contractility
- Contraction alkalosis
- Contraction band necrosis
- Contracture
- Contraindications
- Contralateral
- Contralateral brain
- Contrast
- Contrast agents
- Contrast induced nephropathy
- Contrast media
- Contrast radiography
- Contrast resolution
- Contrast sensitivity
- Contrast sensitivity function
- Contrast transfer function
- Contrast-enhanced ultrasound
- Contrast-induced nephropathy
- Contrecoup injury
- Control banding
- Controlled clinical trial
- Controlled drug delivery
- Controlled ovarian hyperstimulation
- Controlled release
- Controlling behavior
- Contusions
- Conus
- Conus arteriosus
- Conus medullaris
- Convalescence
- Convalescent plasma
- Conventional angiography
- Conventional insulin therapy
- Conventional insulinotherapy
- Conventional radiography
- Conventional treatment
- Convergence insufficiency
- Convergent extension
- Convergent strabismus
- Conversion disorder
- Conversion therapy
- Convolutional layer
- Convolutional neural networks
- Convulsant
- Convulsions
- CooA
- Cooking
- Cool down
- Coolant
- Coolidge effect
- Cooling bath
- Coomassie brilliant blue
- Coombs test
- Cooper test
- Cooper's ligaments
- Cooperation
- Cooperativeness
- Cooperativity
- Coordinate covalent bond
- Coordinated Specialty Care
- Coordination compound
- Coordination polymers
- Copaene
- Copaiba
- Copalic acid
- Copanlisib
- Copepoda
- Copepods
- Copeptin
- Coping mechanisms
- Coping planning
- Coping strategies
- Coping strategy
- Copolyester
- Copolymerization
- Copolymers
- Copper
- Copper 64
- Copper acetate
- Copper carbonate
- Copper chloride
- Copper deficiency
- Copper gluconate
- Copper intrauterine device
- Copper metabolism
- Copper oxide
- Copper protein
- Copper sulfate
- Copper toxicity
- Coprecipitation
- Coprolalia
- Coprophagia
- Coprophagy
- Coproporphyria
- Coproporphyrinogen III
- Coproporphyrinogen iii oxidase
- Copropraxia
- Coprostanol
- Coprosterol
- Coptis
- Coptis chinensis
- Coptisine
- Copula
- Copulation
- Copurification
- Copy number analysis
- Copy number variation
- Copy-number variation
- Cor pulmonale
- Coracobrachialis
- Coracobrachialis muscle
- Coracoclavicular ligament
- Coracohumeral ligament
- Coracoid
- Coracoid process
- Cord blood