surgical removal adrenalectomy 2013-06-20T17:37:01Z The surgical excision of one or both of the adrenal glands, two small, dissimilarly shaped endocrine glands, one located above each kidney, consisting of the cortex, which secretes several steroid hormones, and the medulla, which secretes epinephrine. XCO:0000303 experimental_condition_ontology jsmith suprarenalectomy