By histolysis certain parts of the hypodermis are destroyed, while other portions of it develop into the new structures.
histolysis: the degeneration and dissolution of organic tissue.
Hence the opinion arose that histolysis is a process of phagocytosis.
The process of tissue-destruction is known as 'histolysis'; the rebuilding process is called 'histogenesis.'
histolysis his·tol·y·sis (hĭ-stŏl'ĭ-sĭs)
The breakdown and disintegration of tissue.