Hypothyroidism in an adult is also known as what?

Myxedema is the term used to describe hypothyroidism in adults. This condition occurs due to an underactive thyroid gland, leading to a decrease in the production of thyroid hormones. The name "myxedema" refers to the accumulation of mucopolysaccharides in the skin and other tissues, which can lead to characteristic swelling and changes in appearance. Symptoms of myxedema can include fatigue, weight gain, cold intolerance, dry skin, and cognitive changes.

The other terms provided have distinct meanings. Cretinism refers to severe hypothyroidism occurring in infancy or childhood, leading to developmental delays and growth retardation. Acromegaly is related to excessive growth hormone production, typically in adults, resulting in abnormal growth of bones and tissues. Pituitary dwarfism is a condition characterized by inadequate growth hormone secretion leading to short stature, not related to thyroid function. Understanding these distinctions is crucial in recognizing the different endocrine disorders and their effects on the body.