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Aortic dissection. Dissection of the descending part of the aorta (3), which starts from the left subclavian artery and extends to the abdominal aorta (4). The ascending aorta (1) and aortic arch (2) shown in the image are not involved in this condition. Aortic dissection ( AD) occurs when an injury to the innermost layer of the aorta allows ...
- Depends on the type
- Sudden
The aortic valve is a valve in the heart of humans and most other animals, located between the left ventricle and the aorta. It is one of the four valves of the heart and one of the two semilunar valves, the other being the pulmonary valve.
- valva aortae
- 4K
The aorta begins to descend in the thoracic cavity and is consequently known as the thoracic aorta. After the aorta passes through the diaphragm, it is known as the abdominal aorta. The aorta ends by dividing into two major blood vessels, the common iliac arteries and a smaller midline vessel, the median sacral artery.
A patella fracture is a break of the kneecap. [1] . Symptoms include pain, swelling, and bruising to the front of the knee. [1] . A person may also be unable to walk. [1] . Complications may include injury to the tibia, femur, or knee ligaments. [2] It typically results from a hard blow to the front of the knee or falling on the knee. [1] .