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The valleculae can collect saliva to prevent initiation of the swallowing reflex. The vallecula is an important reference landmark used during intubation of the trachea. The procedure requires the blade-tip of a Macintosh-style laryngoscope to be placed as far as possible into the vallecula in order to facilitate directly visualizing the glottis .
One of the most common locations for a foreign body is the alimentary tract. It is possible for foreign bodies to enter the tract either from the mouth, [1] or from the rectum. [2] The objects most commonly swallowed by children are coins. [3] Meat impaction, resulting in esophageal food bolus obstruction is more common in adults. [4]
The bodies are prevented from decaying by means of plastination, a rubberization process patented in the 1970s by anatomist Gunther von Hagens.The essence of the process is the replacement of water and fatty material in the cells of the body first by acetone and then by plastics, such as silicone rubber, polyester or epoxy resin.
[2] 20% of foreign bodies become lodged in the upper airway, while 80% become lodged in a bronchus. [6] Signs of foreign body aspiration are usually abrupt in onset and can involve coughing, choking, and/or wheezing; however, symptoms can be slower in onset if the foreign body does not cause a large degree of obstruction of the airway. [2]
Foreign bodies in the stomach can sometimes be removed by endoscopic retrieval or if necessary by gastrotomy. [22] Very often, a simple instrument to remove foreign bodies without operation endoscopy is the Hartmann alligator forceps. The instrument is manufactured from 8 cm to 1 m length. Foreign bodies in the jejunum are removed by enterotomy.
Body Worlds (German title: Körperwelten) is a traveling exposition of dissected human bodies, animals, and other anatomical structures of the body that have been preserved through the process of plastination.
Throughout its numerous series, Embarrassing Bodies has set out to aid people who have a variety of medical issues. These issues tend to be taboo or misunderstood. With the help of its patients and the diagnoses of its doctors, the show tries to make common medical issues—especially those that are "embarrassing" or sexual—understood, and to debunk myths surrounding them.
The extrastriate body area is a category-selective region for the visual processing of static and moving images of the human body and parts of it. It is also modulated even in the absence of visual feedback from the limb movement. It is insensitive to faces and stimulus categories unrelated to the human body.