Surgeons' Hall demand for bodies for anatomical dissection exceeded supply. Two Irishmen living in Edinburgh, William Burke and William Hare, resorted to murdering victims to supply Knox's anatomy school. Hare turned King's evidence and Burke was tried, found guilty of murder and hanged. His body was dissected by Alexander Monro tertius, the University professor of anatomy, and the museum has on display two items from that notorious episode – Burke's death mask and a pocket book made from his skin. Joseph Bell (1837–1911) was an Edinburgh surgeon who was president of the Royal College of Surgeons of Edinburgh between 1887–89. He was
Vertebral artery dissection occur (1% of cases). This arises due to rupture of the artery and accumulation of blood in the subarachnoid space. It may be characterized by a different, usually severe headache; it may also cause a range of additional neurological symptoms. 13–16% of all people with vertebral or carotid dissection have dissection in another cervical artery. It is therefore possible for the symptoms to occur on both sides, or for symptoms of carotid artery dissection to occur at the same time as those of vertebral artery dissection. Some give a figure of multiple vessel dissection as high as 30%. The causes