The human skeleton, like that of othervertebrates, consists of two principal subdivisions, each with origins distinct from the others and each presenting certain individual features. These are (1) theaxial,comprisingthevertebral column—the spine—and much of theskull, and (2) theappendicular, to...
Ribs are flat, narrow and curved bones of strips found in the chest of vertebrates. They are attached to the vertebrae on the dorsal side and to the sternum on the ventral side. This attachment forms an enclosed structure called the rib cage. Read on to
spine, or vertebral column, is the most important anatomical and functional axis of the human body. It consists of 7 cervical vertebrae, 12 thoracic vertebrae, and 5 lumbar vertebrae and is limited cranially by the skull and caudally by the sacrum.Vertebral Column: Anatomywith the lower ...
Sacrum, wedge-shaped triangular bone at the base of the vertebral column, above the caudal (tail) vertebrae, or coccyx, that articulates (connects) with the pelvic girdle. In humans it is usually composed of five vertebrae, which fuse in early adulthood.