Aorta. The aorta is the largest blood vessel in the body. It is an artery that directly arises from the heart itself and descends through the thorax and into the abdomen. All the arteries of the body, save the pulmonary arteries, stem from the aorta or one of its main branches.
Ambulance Services. Ambulance Services Overview The Office of Emergency Medical Services licenses all ambulance services that are based in or regularly operate in Massachusetts, and certifies ambulance vehicles. Ambulance services may be private for-profit enterprises, private non-profit entities, municipally run or volunteer services.
Types of Operating Authority. Please note: Beginning December 12, 2015, OP-series forms can ONLY be used to apply for additional authorities, not for initial registration with FMCSA. First-time applicants will be required to use the Unified Registration System. For more information about URS, or to apply for the first time, click here. The type(s) of Operating Authority requested will impact the type and level of insurance that is required by FMCSA. Therefore, carefully select only the type(s) of Operating Authority relevant to the business and read the instructions before filing. FMCSA does not refund application fees. An authorized for-hire Motor Carrier that transports regulated commodities (except household goods) for the general public in exchange for payment.