- collagenThe main structural protein in the extracellular matrix of the connective tissues of many animals.
- colloidGlue-like; gelatinous.
- collotypeA dichromate-based photographic process formerly used for large-volume mechanical printing.
- colloblastA kind of cell found in the tentacles of ctenophores, used to capture prey by adhesion.
- collocyteAny of various cells that produce gluey substances, that bind or capture prey or objects by securing them with gluey materials and structures, or that simply have a smooth and gelatinous appearance.
- collophoreA sucker-like organ on the ventral side of the abdomen of springtails belonging to the Collembola.
- desmocollinAny of a family of glycoproteins (cadherin), found in desmosomes, responsible for intercellular adhesion.
- glycocollglycine
- osteocollaA kind of glue obtained from bones.