Top 10 facts about the world. An avulsion fracture is a type of fracture in which part of the bone is broken off or âavulsedâ from the rest of the bone. While this might sound scary, these fractures are actually very easy to treat in most cases. The exception to this rule is extensive avulsion fractures, and certain types of fractures in children.
This connective tissue contains collagen fibers for flexibility and strength, and numerous elastic fibers that enable it to be stretched. Alveolar connective tissue is found in the skin and in most internal organs of vertebrates, where it allows the organs to expand, which is essential for the lungs.his connective tissue contains collagen fibers for flexibility and strength, and numerous elastic fibers that enable it to be stretched. Alveolar connective tissue is found in the skin and in most internal organs of vertebrates, where it allows the organs to expand, which is essential for the lungs.
1 Protein fibers run throughout connective tissue, providing stability and support; they can be either collagen, elastic, or reticular fibers.  Loose connective tissue is not particularly tough, but surrounds blood vessels and provides support to internal organs.