Primordium: In embryology, organ or tissue in its earliest recognizable stage of development. Take, for example, the thyroid primordium. The plural is primordia. Borrowed directly from the Latin primordium (to begin), derived from the Latin words primus (first) + ordiri (to begin). Known also as the anlage or rudiment.
CONTINUE SCROLLING OR CLICK HERE

QUESTION
What causes tooth decay? See AnswerHealth Solutions From Our Sponsors