21. An adrenal crisis can progressively lead to stupor and coma. 22. Pheochromocytomas are tumors of the adrenal medulla that arise from chromaffin cells. 23. The adrenal glands are named for their location relative to the kidneys. 24. The adrenal cortex comprises three main zones, or layers. 25. In such cases, the next step is adrenal imaging with MRI. 26. This would be an example of secondary adrenal insufficiency syndrome. 27. The cells migrate a second time to the adrenal medulla. 28. The adrenals are large and filled with lipid globules derived from cholesterol. 29. The adrenals become markedly enlarged ( hyperplastic ) by the accumulated lipid. 30. The adrenal glands atrophy during prolonged use of exogenous glucocorticoids like prednisone.
