1. Inability to see the colour red or to distinguish red and bluish-green
   - red-blind

See also: blind, protanopia, unsighted

• Cystophora
• Cystophora cristata
• cystoplegia
• Cystopteris
• Cystopteris bulbifera
• Cystopteris fragilis
• Cystopteris montana
• cystoscope
• cystoscopy
• Cytesis proliferus
• Cytherea
• cytidine
• Cytisus
• Cytisus albus
• Cytisus multiflorus
• Cytisus ramentaceus
• Cytisus scoparius
• cyto-
• cytoarchitectonic
• cytoarchitectonics
• cytoarchitectural
• cytoarchitecture
• cytochrome
• cytochrome c
• cytogenesis