While it is commonly believed that programmed cell death and apoptosis are the same, they are not always so. At the beginning of metamorphosis during the larvae stage, salivary gland cells of Calliphora vomitoria larvae are programmed to self-destruct.
It is commonly believed that programmed cell death and apoptosis are interchangeable terms; however, this assumption may not always hold true. In the early stages of metamorphosis during the larval stage of Calliphora vomitoria, salivary gland cells are specifically programmed to self-destruct.