The shoulder joint is formed where the humerus (upper arm bone) fits into the scapula (shoulder blade), like a ball and socket. Other important bones in the shoulder include: 1  The acromion is a bony projection off the scapula. 2  The clavicle (collarbone) meets the acromion in the acromioclavicular joint.
List of boroughs and census areas in Alaska. The U.S. state of Alaska is not in counties, as 48 other states are (Louisiana has parishes instead). It is in boroughs. Many of the more densely populated parts of the state are in Alaska's eighteen organized boroughs, which are somewhat similar to counties in other states.
Many of the most densely populated regions of the state are part of Alaska's boroughs, which function similarly to counties in other states. However, unlike county equivalents in the other 49 states, the organized boroughs do not cover the entire land area of the state.ap of Alaska highlighting the Unorganized Borough. The Unorganized Borough is the portion of the U.S. state of Alaska not contained in any of its 19 organized boroughs. It encompasses over half of Alaska's area, 970,500 kmÂ² (374,712 miÂ²), an area larger than any other US state.