synthesis period

syn·the·sis pe·ri·od

the period of the cell cycle when there is synthesis of DNA and histone; it occurs between the gap1 and gap2 periods. Synonym(s): S phase

syn·the·sis pe·ri·od

(sin'thĕ-sis pēr'ē-ŏd) Duration in the cell cycle when there is synthesis of DNA and histone; it occurs between gap1 and gap2.