FETUS By N., Sam M.S. - 35 the term that is given to a human embryo in its later stages of development. It is from 8 to 9 weeks after fertilisation has occurred. FETUS: "Foetus is the term given to a 8 week old embryo." Related Psychology Terms Piaget’s Theory of Cognitive Development ADOLESCENCE (Theories) PRENATAL DEVELOPMENT GESELL, ARNOLD LUCIUS (1880- 1961) FROMM, ERICH (1900—) AFFECTIONAL DRIVE CHILD PSYCHOLOGY CHILD PSYCHIATRY JUNG, CARL GUSTAV (1875-1961) MAPLE SUGAR URINE DISEASE Cite this page: N., Sam M.S., "FETUS," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/fetus/ (accessed August 13, 2022).