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:
Corticosteroids; cytotoxic drugs, including antimetabolites and alkylating agents; antilymphocytic antibodies; and irradiation may produce immunosuppression. Immunosuppression may be deliberate, such as in preparation for bone marrow or other transplantation to prevent rejection by the host of the donor tissue, or incidental, such as often results from chemotherapy for the treatment of cancer.