The caterpillar remains in the chrysalis for as little as 2 weeks as the body is transformed into the body of a butterfly. Some species sit over winter, and the butterfly emerâ¦ges in the spring.
immunosuppression noun [U] uk / ËÉªm.jÉ.nÉÊ.sÉËpreÊ. É n / us / ËÉªm.jÉ.noÊ.sÉËpreÊ. É n / specialized âº a situation in which the body's immune system is intentionally stopped from working, or is made less effective, usually by drugs, especially in order to help the body accept an organ that has been taken from another person's body:
Immunosuppressive agents are drugs that suppress the immune system and reduce the risk of rejection of foreign bodies such as transplant organs. Different classes of immunosuppressive agents have different mechanism of action. Now immunosuppressive agents are used as cancer chemotherapy, in autoimmune diseases such as rheumatoid arthritis and to treat severe allergy. As immunosuppressive agents lower the immunity there is increased risk of infection. Please refer to the drug classes listed below for further information.