词根词缀：feto-, fet-, feti-, foeto-, foet-

【来源及含义】Latin: an unborn offspring, fetus

【相关词根词缀】 Related "birth, born, childbirth, offspring" words: abort-; lochio-; nasc-, nat-; proli-; toco-, toko-.

【同源单词】afetal, alcohol fetopathy, effete, fawn, fetal viability, fetal

词根词缀：placento-, placent-, placenta-

【来源及含义】Latin: flat cake; cakelike mass, especially the uterine organ that connects the mother to the child by way of the umbilical cord

【同源单词】fetoplacental, incarcerated placenta, placentotherapy, thermoplacentography, zonoplacental