Examlex
Approximately when and by whom was opium first reported to be used as a medicine?
Feeding
The act of supplying food for consumption to sustain life and promote growth.
Prenatal Development
The progression of maturation and evolution inside the uterus from the moment of conception until delivery.
Neural Tube
The tubular structure formed early in the embryonic stage from which the central nervous system (brain and spinal cord) develops.
Embryonic
Pertaining to the earliest stage of development in plants and animals after fertilization, before becoming a fetus.
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