The two types of bone tissue, also known as osseous tissue, are spongy and compact. Compact bone is dense, smooth and defines the exterior shapes of bones. Spongy bone has an asymmetrical, honeycomb-like structure that lines the longer bones and fills the bulky areas of bones.Know More
Spongy bone, also known as cancellous bone, contains trabeculae, which are the open areas that contain red bone marrow. Compact bone is also known as cortical bone. Its primary structures are osteons, cylindrical layers of bone matrix that enclose and protect nerves and blood vessels.
The term "bone tissue" refers to the mineralized structure that makes up the immobile part of the bone. However, bones contain additional structures, such as blood vessels and nerves, which makes them organs.Learn more about Bones
The zygomatic bone is also known as the cheekbone or malar bone. One of these roughly diamond-shaped bones is found below and to the side of each eye socket. A zygomatic bone lies underneath the major portion of each cheek.Full Answer >
The thin, tough membrane that covers bones is known as the periosteum. It typically serves as a protective layer for all areas of a bone, except where cartilage is present.Full Answer >
When muscle and bone tissue are not used, they will begin to shrink and waste away, known as atrophy. Atrophy, even minor, in muscle or bone can cause some loss of strength and motion. Some atrophy can normally occur as people age.Full Answer >
Unearthed in mid-May 2014, the longest and largest bone ever found belongs to an as-yet unnamed species of titanosaur that was discovered in Patagonia. The bone, a femur, is well over 6 feet long.Full Answer >