Poisoning from plants is a common fear but an extremely rare event. It is true that a few plant species in certain localities can produce serious toxicity like dander (Nerium oleander), foxglove (Digitalis purpurea), jequirity pea (Abrus precatorius), castor bean (Ricinus communis), water hemlock (Cicuta maculata), Jerusalem cherry (Solanaum pseudocapsicum), free tobacco (Nicotina glauca), jimsonweed (Datura stramonium), autumn crocus (Colchicum [...]
A remarkable number of marine organisms, venomous animals produce venom in a specialized gland. Venom is a mixture of mainly protein and peptide toxins. In contrast, poisonous animals may have special glands that produce toxins but more often accumulate toxic compounds from the environment in their bodies. These substances are known as poisons and have to be ingested to be [...]
In this article we will discuss about:- 1. Causes of Teratogenicity 2. Stage Sensitivity for Teratogenicity 3. Mode of Action of Teratogens 4. Administration of Teratogenic Agent 5. Evaluation of Teratogenic Effects. Causes of Teratogenicity: The toxicants which cause teratogenesis are known as teratogenic agents. A gestating-embryo exhibits great dynamicity of the living cells. The embryonic cells multiply and differentiate [...]