Vertebrae Definition Vertebrae are bones located within the vertebral column. In humans, they are a series of 33 bones that run from the base of the skull to the coccyx. The irregularly shaped bones form the roughly S-shape of the spinal cord. Between each vertebra is an intervertebral disc, which helps provide shock absorption and … Read more
Coronal Plane Definition An organ’s dorsal and ventral halves are divided into an imaginary plane called the coronal plane, also called the frontal plane. A dorsal area is that which faces the spine, whereas a ventral area is that which faces away from the spine, typically toward the ground. A coronal plane runs from the … Read more
Sagittal Plane Definition There is an anatomical boundary between the left and right sides of the body called the sagittal plane. From the mouth to the tail, the sagittal plane runs parallel to the longitudinal axis of the organism. The direction toward the sagittal plane is called medial, and the direction away from the sagittal … Read more