An animal with vertebrae made from either cartilage or bone is a vertebrate. Vertebrates can be mammals, fish, birds, reptiles or amphibians.Know More
Vertebrates all have a stiff vertebral column running down their bodies, and this column is made up of a series of discs and vertebrae to support the animal structurally and to lend it a certain amount of flexibility.
Scientists think that vertebrates first emerged during the Cambrian period, which was around 525 million years ago. The first known vertebrate is considered to be an animal known as Myllokunmingia, which had a skull and skeleton that was made up of cartilage.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 >
A slightly movable joint, which is the point where bones connect, is a joint that allows for limited mobility. These types of joints are called amphiarthrotic joints and include the intervertebral disc. Fibrous connective tissues or a layer of cartilage separates the bones that form amphiarthrotic joints.Full Answer >
Small holes in the surface of a bone's structure are most likely to be Volkmann canals, according to Augusta Technical College. Volkmann canals carry blood vessels and nerve structures from the surface to the inside of the bone.Full Answer >
Apparent leg length can be increased by pairing wedged shoes with long, flared pants, wearing high-waisted pants, or by donning shoes and pants of the same color, explains Tiffany Tse of Who What Wear. Actual leg length is increased through surgery, notes Dr. Rock Positano on the Huffington Post.Full Answer >