| Morpholine itself is neither a carcinogen nor a teratogen and does not cause chronic toxicity in rats and mice. |
| Ochratoxin A is a known nephrotoxin, carcinogen, teratogen and is possibly also genotoxic. |
| Another possibility is a teratogen, which is a birth defect-inducing toxicant along the lines of thalidomide. |
| Alcohol is a known teratogen whose neurobehavioral effects have been found to be more injurious than cocaine and other drugs abused prenatally. |
| Cases of phocomelia in the early 1960's in Germany and Australia led to the identification of thalidomide as a human teratogen. |
| A teratogen is an agent that promotes physical defects in a developing embryo. |
