![]() ![]() Periosteum – fibrous connective tissue membrane covering diaphysis Identify the major anatomical areas of a long bone.ĭiaphysis – shaft – bone’s length and mostly compact bone Irregular bones – all others that don’t fit above – vertebrae, hip bones Short bones – cube-shaped and contain mostly spongy bone (small needle-like pieces of bone and lots of open space) – bones of the wrists and ankles, sesamoid bones (form within tendons), and patella.įlat bones – thin, flattened, usually curved with two thin layers of compact bone sandwiching a layer of spongy bone between – most bones of the skull, ribs, sternum Let knowledge be the cure.Long bones – longer than wide with shaft and heads at both ends made mostly of compact bone (dense and looks smooth and homogeneous) – all bones of limbs except wrist and ankle bones. Powered by django-wiki, an open source application under the GPLv3 license. This article was last modified: March 15, 2023, 5:22 p.m. Other muscles are used for smiling, yawning, and lots of facial expressions.įigure 1: The skull is made from flat bones. Some muscles allow us to open our mouths and bite down with force. ![]() Muscles attach to the skull at different locations. ![]() The combination of compact and spongy bone is important because flat bones have numerous muscle attachment points that pull in different directions, so they need to be able to withstand forces in different directions.įor example, the skull is made of flat bones and irregular bones. ![]() The hard outer layer provides protection from direct forces, while the spongy bone center allows these bones to absorb forces coming from different directions as well. Red bone marrow is contained within the spongy bone. These bones are constructed in a sandwich-like manner, with hard compact bone on the outside and spongy bone on the inside. The skull, ribs, and sternum are all made from flat bones. Flat bones are a type of bone that protects internal organs. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |