Henry Jones Shrapnell tympanic membrane is known as "Shrapnell's membrane". During the same year, Shrapnell published two other articles in the same journal, these being in regards to the function of the tympanic membrane and the nerves of the ear. In 1833, he published an article (again in the same journal) on the anatomy of the incus. Henry Jones Shrapnell Henry Jones Shrapnell (1792–1834) was an English anatomist. For a period of time during his career he was a colleague to Edward Jenner (1749-1823), creator of the vaccine for smallpox. Shrapnell is remembered for his pioneer work in otology. He was the first
Mastoid part of the temporal bone be distinguished from the mastoid cells, though it communicates with them. Like the mastoid cells it is filled with air and lined by a prolongation of the mucous membrane of the tympanic cavity, with which it communicates. The tympanic antrum is bounded above by a thin plate of bone, the tegmen tympani, which separates it from the middle fossa of the base of the skull; below by the mastoid process; laterally by the squama just below the temporal line, and medially by the lateral semicircular canal of the internal ear which projects into its cavity. It opens in front into