Johann Friedrich Meckel, The Elder
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Johann Friedrich Meckel the Elder (31 July 1724 – 18 September 1774) was a German
anatomist Anatomy () is the branch of morphology concerned with the study of the internal 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 scien ...
born in
Wetzlar Wetzlar () is a city in the state of Hesse, Germany. It is the twelfth largest city in Hesse with currently 55,371 inhabitants at the beginning of 2019 (including second homes). As an important cultural, industrial and commercial center, the un ...
. He often has "the Elder" appended to his name to avoid confusion with his famous grandson
Johann Friedrich Meckel Johann Friedrich Meckel (17 October 1781 – 31 October 1833), often referred to as Johann Friedrich Meckel, the Younger, was a German anatomist born in Halle. He worked as a professor of anatomy, pathology and zoology at the University of Halle, ...
(1781–1833), who was also an anatomist and often has "the Younger" included with his name. The elder Meckel's son, Philipp Friedrich Theodor Meckel (1755–1803) and another grandson, August Albrecht Meckel (1790–1829) were also anatomists. Meckel earned his medical doctorate from the
University of Göttingen The University of Göttingen, officially the Georg August University of Göttingen (, commonly referred to as Georgia Augusta), is a Public university, public research university in the city of Göttingen, Lower Saxony, Germany. Founded in 1734 ...
in 1748, and in his thesis, "''Tractatus anatomico physiologicus de quinto pare nervorum cerebri''", he documented his discovery of the
submandibular ganglion The submandibular ganglion (or submaxillary ganglion in older texts) is part of the human autonomic nervous system. It is one of four parasympathetic ganglia of the head and neck. (The others are the otic ganglion, pterygopalatine ganglion, an ...
. Subsequently, he moved to
Berlin Berlin ( ; ) is the Capital of Germany, capital and largest city of Germany, by both area and List of cities in Germany by population, population. With 3.7 million inhabitants, it has the List of cities in the European Union by population withi ...
, where he worked as a prosector and taught classes on
midwifery Midwifery is the health science and health profession that deals with pregnancy, childbirth, and the postpartum period (including care of the newborn), in addition to the sexual and reproductive health of women throughout their lives. In many cou ...
. In 1751 he became a professor of anatomy,
botany Botany, also called plant science, is the branch of natural science and biology studying plants, especially Plant anatomy, their anatomy, Plant taxonomy, taxonomy, and Plant ecology, ecology. A botanist or plant scientist is a scientist who s ...
and
obstetrics Obstetrics is the field of study concentrated on pregnancy, childbirth and the postpartum period. As a medical specialty, obstetrics is combined with gynecology under the discipline known as obstetrics and gynecology (OB/GYN), which is a su ...
. In 1773, Meckel was elected a foreign member of the
Royal Swedish Academy of Sciences The Royal Swedish Academy of Sciences () is one of the Swedish Royal Academies, royal academies of Sweden. Founded on 2 June 1739, it is an independent, non-governmental scientific organization that takes special responsibility for promoting nat ...
.


Eponyms

Meckel has a number of anatomical eponyms associated with him: * ''Meckel's space'' or '' Meckel's cave'': A cavity in the dura mater over the
petrous portion of the temporal bone The petrous part of the temporal bone is pyramid-shaped and is wedged in at the base of the skull between the sphenoid and occipital bones. Directed medially, forward, and a little upward, it presents a base, an apex, three surfaces, and three a ...
that covers the
trigeminal ganglion The trigeminal ganglion (also known as: Gasserian ganglion, semilunar ganglion, or Gasser's ganglion) is the sensory ganglion of each trigeminal nerve (CN V). The trigeminal ganglion is located within the trigeminal cave (Meckel's cave), a cav ...
. * ''Meckel's ganglion'': better known as the
sphenopalatine ganglion The pterygopalatine ganglion (aka Meckel's ganglion, nasal ganglion, or sphenopalatine ganglion) is a parasympathetic ganglion in the pterygopalatine fossa. It is one of four parasympathetic ganglia of the head and neck, (the others being the su ...
, which is a small
parasympathetic The parasympathetic nervous system (PSNS) is one of the three divisions of the autonomic nervous system, the others being the sympathetic nervous system and the enteric nervous system. The autonomic nervous system is responsible for regulat ...
ganglion A ganglion (: ganglia) is a group of neuron cell bodies in the peripheral nervous system. In the somatic nervous system, this includes dorsal root ganglia and trigeminal ganglia among a few others. In the autonomic nervous system, there are ...
in the upper part of the sphenomaxillary fissure giving off nerves to the eyes, nose, and palate. * ''Meckel's ligament'': a portion of the anterior
ligament A ligament is a type of fibrous connective tissue in the body that connects bones to other bones. It also connects flight feathers to bones, in dinosaurs and birds. All 30,000 species of amniotes (land animals with internal bones) have liga ...
that fastens the
malleus The ''malleus'', or hammer, is a hammer-shaped small bone or ossicle of the middle ear. It connects with the incus, and is attached to the inner surface of the eardrum. The word is Latin for 'hammer' or 'mallet'. It transmits the sound vibra ...
to the wall of the
tympanic membrane In the anatomy of humans and various other tetrapods, the eardrum, also called the tympanic membrane or myringa, is a thin, cone-shaped membrane that separates the external ear from the middle ear. Its function is to transmit changes in pressur ...
. This structure may be named after Meckel's son, Philipp Friedrich Theodor Meckel. Meckel's cave was described by Meckel in his undergraduate dissertation on the
trigeminal nerve In neuroanatomy, the trigeminal nerve (literal translation, lit. ''triplet'' nerve), also known as the fifth cranial nerve, cranial nerve V, or simply CN V, is a cranial nerve responsible for Sense, sensation in the face and motor functions ...
.


Collection

During his career, Meckel began an anatomical collection that was continued by his son and grandson. The collection includes mummified parts of the body, organs, skeletons and skulls, zoological as well as human anatomy. The collection also contains teratological specimens, including a complete ''
situs inversus ''Situs inversus'' (also called ''situs transversus'' or ''oppositus'') is a Congenital disorder, congenital condition in which the major Organ (anatomy), visceral organs are reversed or mirror image, mirrored from their normal positions. The norm ...
'' from the 18th century. Today the ''Meckelsche Sammlungen'' (Meckel Collection) has approximately 7000 exhibits and is housed at the
Martin Luther University of Halle-Wittenberg Martin Luther University Halle-Wittenberg (), also referred to as MLU, is a public university, public research university in the cities of Halle, Saxony-Anhalt, Halle and Wittenberg. It is the largest and oldest university in the German State o ...
in Halle.


References

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External links


''Johann Friedrich Meckel''
@
Who Named It ''Whonamedit?'' is an online English-language dictionary of medical eponyms and the people associated with their identification. Though it is a dictionary, many eponyms and persons are presented in extensive articles with comprehensive bibliograp ...
{{DEFAULTSORT:Meckel, Johann Friedrich The Elder 1724 births 1774 deaths German anatomists People from Wetzlar University of Göttingen alumni Members of the French Academy of Sciences Members of the Royal Swedish Academy of Sciences