A Schmorl node is when part of an intervertebral disc pushes into the bone of a nearby vertebra. It is usually seen on spine imaging such as MRI, CT, or X-ray. Many Schmorl node findings are incidental, meaning they are not clearly the source of symptoms. The term is most commonly used by radiologists and spine clinicians to describe an imaging feature.
The Ventricular Septum is the muscular wall that separates the heart’s right and left ventricles. It helps keep oxygen-poor blood on the right side and oxygen-rich blood on the left side. Clinicians refer to it when assessing heart pumping function, blood flow, and heart rhythm pathways. It is commonly evaluated on echocardiography, cardiac MRI, and during structural heart procedures.
The Cartilaginous endplate is a thin layer of cartilage that sits between each vertebra and the intervertebral disc. It helps the disc attach to the vertebral body and helps distribute spinal loads. Clinicians most often discuss it when evaluating disc degeneration, endplate injury, or back pain sources. It also matters during spine surgery because surgeons work near the endplate–disc interface.
The Atrial Septum is the wall that separates the heart’s two upper chambers (the right atrium and left atrium). It helps keep oxygen-poor blood and oxygen-rich blood moving through the correct sides of the heart. Clinicians refer to it when interpreting heart imaging and when planning certain catheter-based procedures. It is also a key focus in some congenital heart conditions (present from birth).
Nucleus pulposus is the soft, gel-like center of an intervertebral disc. It sits between the vertebrae in the neck (cervical), mid-back (thoracic), and low back (lumbar) spine. Its plain role is to help the disc absorb load and allow smooth motion between bones. In clinical care, it is commonly discussed in disc degeneration, disc herniation, imaging reports, and spine procedures.
Annulus fibrosus is the tough, fibrous outer ring of an intervertebral disc. It surrounds and contains the softer center of the disc (the nucleus pulposus). It helps the spine bear load, bend, and twist while protecting nearby nerves. Clinicians commonly discuss it when evaluating disc degeneration, annular tears, and disc herniation.
The Right Ventricle is one of the four chambers of the heart. It pumps oxygen-poor blood to the lungs through the pulmonary artery. Clinicians discuss it when evaluating shortness of breath, fluid retention, or pulmonary (lung blood vessel) conditions. It is commonly assessed on echocardiography, cardiac MRI, and sometimes heart catheterization.
The Left Ventricle is the heart’s main pumping chamber. It sends oxygen-rich blood to the entire body through the aorta. Clinicians discuss the Left Ventricle when evaluating symptoms like shortness of breath, chest discomfort, or fatigue. It is also a core focus of heart imaging tests such as echocardiography and cardiac MRI.
An Intervertebral disc is a soft, shock-absorbing structure between most of the bones (vertebrae) in the spine. It helps the spine move while spreading out forces from daily activities like sitting, bending, and lifting. Clinicians discuss the disc when evaluating neck and back pain, sciatica, and age-related spine changes. It is also central to many spine imaging reports and surgical planning conversations.
The Right Atrium is one of the four chambers of the heart. It receives blood returning to the heart from the body through the major veins. It helps move blood into the right ventricle and toward the lungs for oxygenation. Clinicians commonly reference the Right Atrium in imaging, rhythm evaluation, and catheter-based procedures.