Existing at or from the beginning of time; primeval
these primordial chunks of dust and ice lie in the very fringes of the solar system
A cell, especially in an undifferentiated state, which acts as the progenitor for other cell types.
A solution rich in organic compounds in the primitive oceans of the earth, from which life is thought to have originated
The protoplasmic lining formed on the inner side of the cell wall as it expands.