The surgical removal of the hypophysis (pituitary gland)(noun)
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Use "hypophysectomy" in a sentence
"The use of stereotactic chemical hypophysectomy in the treatment of thalamic pain syndrome."
"It would appear therefore that visual inspection of the sella is not sufficient to insure that the hypophysectomy has been total."
"It would seem therefore that hypophysectomy diminishes the capacity of the organism to catabolize body protein and to form glucose from this protein."