BETTINA CIRONE / SCIENCE PHOTO LIBRARY BETTINA CIRONE / SCIENCE PHOTO LIBRARY
Acromegaly (gigantism). Sandy Allen, a very tall woman, pictured with her family. Excessive height may be due to acromegaly, as in this case. It is a condition of abnormal growth due to an oversecretion of the growth hormone somatotrophin by the pituitary gland during childhood.
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