Examlex
According to Planck's hypothesis, the energy of an oscillator is directly proportional to its ______________.
Embryo
An early stage of development in multicellular organisms, in humans referring to the stage after fertilization up to the end of the eighth week of gestation.
Fetus
A developing human from roughly eight weeks after conception until birth.
Blastocyst
A stage of embryonic development in mammals, occurring roughly five days after fertilization, marked by the formation of a fluid-filled cavity and the differentiation of the embryo into two layers.
Fetal Period
The period in prenatal development from nine weeks after conception until birth, when the brain continues developing, bodily structures are refined, and the fetus grows in length and weight and accumulates fat in preparation for birth.
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