Special Sub-Topic: Whose Body is it Anyway?
|Where is the bundle of His?|
Heart. The Bundle of His (pronounced hiss) is a nerve bundle that carries electrical signals from the AV node ("pacer") to the apex of the heart so that the heart muscle can contract upwards. Wilhelm His, Jr. was a Swiss anatomist and cardiologist.
|Where is Shrapnell's membrane?|
Ear. Shrapnell's membrane is the floppy upper portion of the eardrum. Henry Jones Shrapnell was an English otologist (ear doctor) who first described the eardrum as having a taut portion and a floppy portion; the latter was named for him.
|Where is Schlemm's canal?|
Eye. Schlemm's canal transfers aqueous humor from the eye's anterior chamber to the bloodstream. Friedrich Schlemm was a German anatomist who was jailed for digging up a dead woman to study her bones!
|Where is Meckel's diverticulum?|
Small intestine. Meckel's diverticulum is leftover tissue from a fetus' digestive tract. Only about 2% of adults have this. Johann Friedrich Meckel was a German anatomist who studied birth defects.
|Where is the ampulla of Vater?|
Bile duct. The Ampulla of Vater is an enlarged portion of the liver and pancreatic ducts where they join the small intestine. An ampulla is an enlarged portion of a canal or duct. Abraham Vater, a German anatomist, was the first to describe this duct.
|Where is Calot's triangle?|
Abdomen. Calot's triangle is an area near the gall bladder formed by the cystic artery, the cystic duct, and the hepatic duct. It was named for Jean-Francois Calot, who described it in his 1891 doctoral thesis.
|Where is Alcock's canal?|
Pelvis. Alcock's canal is a passage in the pelvis through which, ironically, the pudendal arteries, veins, and nerve pass. No surprise that it's also called the pudendal canal. Sir Rutherford Alcock was a British physician who served in the Carlist War, but was better known for serving his government in the Far East.
|Where are the cords of Billroth?|
Spleen. The Cords of Billroth contain phagocytes that consume dead blood cells. Christian Albert Theodor Billroth was a Viennese surgeon who is considered to be the father of modern abdominal surgery. An amateur musician, he was also a friend of Johannes Brahms.
|Where might you have a Schatzki ring?|
Throat. A Schatzki ring is a small ring of tissue that causes a constriction at the bottom of the esophagus; they occur in about 5% of the population. If irritated, they may cause difficulty swallowing. They are detected via radiology; first done by German-born radiologist Richard Schatzki.
|Where are the zonules of Zinn?|
Eye. A zonule is a small zone or band. The Zonules of Zinn hold the lens of the eye in place. Johann Gottfried Zinn was a German anatomist who wrote the first detailed anatomical treatise of the eye.
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