Adrenal Gland Cancer (Pheochromocytoma) in Cats. Pheochromocytoma in Cats. A pheochromocytoma is a type of adrenal gland tumor which causes the gland to make too much of some of the hormones. This can cause an increase in heart rate, blood pressure, and breathing rate.
Shell company. A shell company is a company that exists but does not actually do any business or have any assets. The most interesting type of shell company (to investors) is one that has a listing. This is a listed shell, and is almost always what is meant by a reference to a shell in an investment context.
In the Gulf of Mexico, Shell currently operates a number of different types of platforms and systems. Shell has been an offshore pioneer in the Gulf of Mexico for over six decades and has achieved exceptional technological milestones in the design, construction and operation of world-class oil and gas producing assets.