ANATOMY

Detailed explanation-1: -Final answer: Hence, Cretinism and Myxoedema occur due to the hyposecretion of thyroxine in children and adults respectively.

Detailed explanation-2: -Too little production of thyroxine by the thyroid gland is known as hypothyroidism.

Detailed explanation-3: -If there was hyposecretion of the thyroid gland in a child; the child will suffer from cretinism. The symptoms of cretinism are dwarfism, mental retardation, etc.

Detailed explanation-4: -Final answer: Cretinism and myxoedema are due to hyposecretion of thyroxine.

Detailed explanation-5: -Myxedema is another term for severely advanced hypothyroidism. It’s a condition that occurs when your body doesn’t produce enough thyroid hormone. The thyroid is a small gland that sits right at the front of your neck.