Friedrich Matthias Claudius (1 June 1822 – 10 January 1869) was a German

anatomist Anatomy () is the branch of biology concerned with the study of the structure of organisms and their parts. Anatomy is a branch of natural science that deals with the structural organization of living things. It is an old science, having it ...

who was a native of

Lübeck Lübeck (; Low German also ), officially the Hanseatic City of Lübeck (german: Hansestadt Lübeck), is a city in Northern Germany. With around 217,000 inhabitants, Lübeck is the second-largest city on the German Baltic coast and in the state ...

. He was related to the German poet

Matthias Claudius Matthias Claudius (15 August 1740 – 21 January 1815) was a German poet and journalist, otherwise known by the pen name of “Asmus”. Life Claudius was born at Reinfeld, near Lübeck, and studied at Jena. He spent the greater part of his li ...

(1740–1815). In 1844 he earned his doctorate from the

University of Göttingen The University of Göttingen, officially the Georg August University of Göttingen, (german: Georg-August-Universität Göttingen, known informally as Georgia Augusta) is a public research university in the city of Göttingen, Germany. Founded ...

, and in 1849 was appointed to the Zoological Museum of Kiel University. In 1859 he became professor and director of the anatomical institute at the

University of Marburg The Philipps University of Marburg (german: Philipps-Universität Marburg) was founded in 1527 by Philip I, Landgrave of Hesse, which makes it one of Germany's oldest universities and the oldest still operating Protestant university in the wor ...

. In an 1856 paper he described what were to become known as the " cells of Claudius", which are cells located on the

basilar membrane The basilar membrane is a stiff structural element within the cochlea of the inner ear which separates two liquid-filled tubes that run along the coil of the cochlea, the scala media and the scala tympani. The basilar membrane moves up and down ...

of the

inner ear The inner ear (internal ear, auris interna) is the innermost part of the vertebrate ear. In vertebrates, the inner ear is mainly responsible for sound detection and balance. In mammals, it consists of the bony labyrinth, a hollow cavity in th ...

cochlea The cochlea is the part of the inner ear involved in hearing. It is a spiral-shaped cavity in the bony labyrinth, in humans making 2.75 turns around its axis, the modiolus. A core component of the cochlea is the Organ of Corti, the sensory o ...

. His name is also associated with "Claudius' fossa", now referred to as the ovarian fossa, a depression in the

parietal peritoneum The peritoneum is the serous membrane forming the lining of the abdominal cavity or coelom in amniotes and some invertebrates, such as annelids. It covers most of the intra-abdominal (or coelomic) organs, and is composed of a layer of mesothel ...

of the

pelvis The pelvis (plural pelves or pelvises) is the lower part of the trunk, between the abdomen and the thighs (sometimes also called pelvic region), together with its embedded skeleton (sometimes also called bony pelvis, or pelvic skeleton). The ...

. In 1867 he publishe
''Das Gehörorgan von Rhytina stelleri''
("The hearing organ of '' Rhytina stelleri'' ").

References

Sketches of Otohistory
(biography)
Mondofacto Dictionary
(definition of eponyms) German anatomists Physicians from Lübeck Academic staff of the University of Marburg 1822 births 1869 deaths {{Germany-med-bio-stub