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Scapula is what type of bone?

The scapula is an irregular bone, and is defined as such because it is not a long, short, or thin bone. A long bone is longer than it is wide, for example the femur. Short bones are "cube shaped", such as the cuboid (one of your tarsal bones). Thin bones have a curve to them and are fairly flat, such as your sternum.


What four groups are bones classified in?

Bone types are classified according to their shape. First, we have the long bones. Long bones are wide and are found in your arms and legs. Second, the short bones. These bones are fairly equal-sized in width and length, similar to a cube, and are mostly found in your wrists and ankles. Third, we have flat bones. These are thinner bones that can be either flat or curved and are platelike in nature. Examples of flat bones are the skull, ribs, and breastbone (sternum). Irregular bones are like the parts of a jigsaw puzzle. These are the odd-shaped bones needed to connect to other bones. The hip bones and vertebrae that make up our spine are examples of irregular bones.


What are the four types of bone shapes and give an example of each?

There are actually five basic shapes for bones: 1. Long bones - examples: humerus or femur. Long bones are characterized by a shaft, the diaphysis, that is much greater in length than width. They are comprised mostly of compact bone and lesser amounts of marrow, which is located within the medullary cavity, and spongy bone. Most bones of the limbs, including those of the fingers and toes, are long bones. The exceptions are those of the wrist, ankle and kneecap. 2. Short bones - examples: carpels and tarsals (wrist and ankles bones). Short bones are roughly cube-shaped, and have only a thin layer of compact bone surrounding a spongy interior. The bones of the wrist and ankle are short bones, as are the sesamoid bones. 3. Flat bones - example: sternum. Flat bones are thin and generally curved, with two parallel layers of compact bones sandwiching a layer of spongy bone. Most of the bones of the skull are flat bones, as is the sternum. 4. Irregular bones - example:: vertebra in the spine. Irregular bones do not fit into the above categories. They consist of thin layers of compact bone surrounding a spongy interior. As implied by the name, their shapes are irregular and complicated. The bones of the spine and hips are irregular bones. 5. Sesamoid bones - example: patella


The thin layer of hyaline cartilage on articulating surfaces of bones is called what?

The thin layer of hyaline cartilage on articulating surfaces of bones is called articular cartilage. It helps to reduce friction between bones and absorb shock during movement.


What is the term for the enlarged ends of long bones?

The term for enlarged ends of long bones is epiphysis. This is a thin layer of compact bone overlying spongy bone.