Trachea to prevent swallowed matter from entering the trachea. In the fourth week of development of the human embryo as the respiratory bud grows, the trachea separates from the foregut through the formation of tracheoesophageal ridges which fuse to form the tracheoesophageal septum and this separates the future trachea from the oesophagus and divides the foregut tube into the laryngotracheal tube. Before the end of the fifth week, the trachea begins to develop from the laryngotracheal tube which develops from the laryngotracheal groove. The first part of the cephalic region of the tube forms the larynx, and the next part forms
The Body in the Library earlier, Anne Meredith knows Ariadne Oliver as the writer of a book called "The Body in the Library". In the first episode of the second series ("And the Moonbeams Kiss the Sea") of the television series "Lewis," the body of a handyman is found in the Bodleian Library. DS James Hathaway comments to DI Robbie Lewis, "You realise what we've got, don't you, sir. ... The body in the library." The 1984 television film "The Body in the Library" was part of the BBC series of "Miss Marple", with Joan Hickson making the first of her acclaimed appearances in the