- Corticosteroid induced osteoporosis
- Corticosteroid receptors
- Corticosteroid therapy
- Corticosteroid-binding globulin
- Corticosteroids
- Corticosterone
- Corticotrope
- Corticotropin
- Corticotropin releasing factor
- Corticotropin releasing hormone
- Corticotropin-releasing hormone
- Corticotropin-releasing hormone receptor 1
- Cortisol
- Cortisol awakening response
- Cortisone
- Cortisone acetate
- Cortisporin
- Cortistatin
- Corydalis
- Corydalis yanhusuo
- Corynebacteriaceae
- Corynebacterium amycolatum
- Corynebacterium diphtheriae
- Corynebacterium jeikeium
- Corynebacterium pseudotuberculosis
- Corynebacterium ulcerans
- Corynebacterium urealyticum
- Corynebacterium xerosis
- Cosavirus
- Cosegregation
- Cosleeping
- Cosmetic
- Cosmetic camouflage
- Cosmetic dentistry
- Cosmetic facial surgery
- Cosmetic surgery
- Cosmetics
- Cosmids
- Cost analysis
- Cost benefit analysis
- Cost effectiveness
- Cost effectiveness analysis
- Cost of drug development
- Cost utility analysis
- Cost-benefit analysis
- Cost-effectiveness analysis
- Costal cartilage
- Costamere
- Costeff syndrome
- Costello syndrome
- Costochondral
- Costochondritis
- Costoclavicular ligament
- Costophrenic angle
- Costotransverse joint
- Costovertebral angle
- Costovertebral angle tenderness
- Costovertebral joint
- Costunolide
- Costus
- Cosyntropin
- Cotard delusion
- Cotard's syndrome
- Cotinine
- Cotransmission
- Cotransporter
- Cotrimoxazole
- Cotton seed oil
- Cotton wool spots
- Cottonseed
- Cottonseed oil
- Cottontail rabbit papillomavirus
- Cotyledon
- Couching
- Cough
- Cough center
- Cough reflex
- Coughing
- Coulter counter
- Coumaphos
- Coumarin
- Coumestrol
- Council for International Organizations of Medical Sciences
- Counseling
- Counseling psychology
- Counter immunoelectrophoresis
- Counter transference
- Counterconditioning
- Countercurrent
- Counterfactual thinking
- Counterfeit drugs
- Counterfeit medications
- Counterfeiting
- Counterimmunoelectrophoresis
- Counterions
- Counterirritants
- Counterproductive work behavior
- Counterpulsation
- Counterregulatory hormones
- Counterstain
- Counterstimulation
- Countertransference
- Counts per minute
- Coup contrecoup injury
- Coup-tfii
- Couple therapy
- Coupling constant
- Coupling reactions
- Courage
- Couroupita guianensis
- Couvelaire uterus
- Covariance
- Covariance function
- Covariance matrix
- Covariate
- Cover test
- Coverage error
- Covert attention
- Covid-19 vaccine Janssen
- Cow dung
- Cow milk
- Cow urine
- Cowden syndrome
- Cowpea
- Cowpeas
- Cowpox
- Cowpox virus
- Cox maze procedure
- Cox-2 inhibitors
- Coxa valga
- Coxa vara
- Coxiella
- Coxiella burnetii
- Coxiellaceae
- Coxsackie A virus
- Coxsackie b virus
- Coxsackie virus and adenovirus receptor
- Coxsackievirus
- CpG islands
- Crabtree effect
- Cracked nipples
- Cracked tooth syndrome
- Crackles
- Cramp fasciculation syndrome
- Cramps
- Cranberry
- Cranial cavity
- Cranial electrotherapy stimulation
- Cranial fossa
- Cranial nerve disorder