Under secretion of thyroxine before maturity causes an abnormality known as? by Sunday | Apr 29 | Biology NECO | 0 comments A. Cretinism B. Gigantism C. Dwarfism D. Myxoedema E. Obesity Correct Answer: Option A – Cretinism Users Also Read These:The worth of a life assurance policy before its…The sum of money the assurer is prepared to pay the…The passage of nerve impulse across a synapse is…The secretion of reproductive and growth hormone in…Under secretion of thyroxine before maturity cause?