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.
The company's Shell Exploration & Production unit focuses its exploration on the deepwater plays in the Gulf of Mexico. Shell Oil partners with Saudi Aramco in a US refining and marketing venture (Motiva) and owns Motiva's sister company Shell Oil Products US. Shell Oil also produces petrochemicals (Shell Chemical) and liquefied natural gas (Shell US Gas & Power) and markets natural gas and electricity. Shell Oil's parent, Royal Dutch Shell, vies with Exxon Mobil) to be the world's #1 integrated oil company in terms of revenues.