Final answer:
The capital fragment's blood supply depends on its location and may receive blood from branches of major cerebral arteries, like the internal carotid artery which gives rise to the anterior cerebral artery and the middle cerebral artery.
Step-by-step explanation:
The capital fragment refers to an area within the skeletal system, specifically at the end of a long bone within the epiphyseal line. The blood supply to this area of a bone comes from the arteries that pass through the nutrient foramina, branching within the bone to reach the capital fragment. The specific arteries that supply blood to the capital fragment will depend on its location; for example, if it is a part of the brain, it may receive blood from branches of the major cerebral arteries.
Within the context of the brain, the internal carotid artery is a significant supplier of blood. It enters the cranium through the carotid canal, gives rise to the anterior cerebral artery that supplies the frontal lobe, the middle cerebral artery supplying the temporal and parietal lobes, and the ophthalmic artery supplying the eyes.
The cerebral circulation is intricately designed to ensure constant perfusion, with features like the circle of Willis playing a critical role in maintaining blood flow even if one vessel is compromised. These arteries, along with the vertebral arteries, contribute to the unique circle that provides an uninterrupted blood supply to the brain.