1. (used of blood) not supplied with oxygen
   - unoxygenated

See also: unventilated

• genus Chlamydia
• genus Chlamydomonas
• genus Chlamydosaurus
• genus Chlamyphorus
• genus Chloranthus
• genus Chlorella
• genus Chloris
• genus Chlorococcum
• genus Chlorophis
• genus Chlorophoneus
• genus Chlorophyllum
• genus Chloroxylon
• genus Chlorura
• genus Choeronycteris
• genus Choloepus
• genus Chondrus
• genus Chordeiles
• genus Chordospartium
• genus Choriotis
• genus Chorizagrotis
• genus Chorizema
• genus Christella
• genus Chronoperates
• genus Chrysanthemum
• genus Chrysaora