all of the foetuses surviving exposure to zen ( 5-20 mg/kg body weight ) or des ( 0.125 mg/kg ) were morphologically normal , while a high percentage ( 31-40 % ) of those exposed to oct a ( 1-2 mg/kg ) exhibited gross abnormalities such as exencephaly , open eyelids and microphthalmia .
C0000768
abnormalities
C0026010
microphthalmia