Félix Vicq d'Azyr (; 23 April 1748 – 20 June 1794) was a French
physician
A physician, medical practitioner (British English), medical doctor, or simply doctor is a health professional who practices medicine, which is concerned with promoting, maintaining or restoring health through the Medical education, study, Med ...
and
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 ...
, the originator of
comparative anatomy
Comparative anatomy is the study of similarities and differences in the anatomy of different species. It is closely related to evolutionary biology and phylogeny (the evolution of species).
The science began in the classical era, continuing in t ...
and discoverer of the theory of
homology in
biology
Biology is the scientific study of life and living organisms. It is a broad natural science that encompasses a wide range of fields and unifying principles that explain the structure, function, growth, History of life, origin, evolution, and ...
.
Biography
Vicq d'Azyr was born in
Valognes,
Normandy
Normandy (; or ) is a geographical and cultural region in northwestern Europe, roughly coextensive with the historical Duchy of Normandy.
Normandy comprises Normandy (administrative region), mainland Normandy (a part of France) and insular N ...
, the son of a physician. He graduated in medicine at the
University of Paris
The University of Paris (), known Metonymy, metonymically as the Sorbonne (), was the leading university in Paris, France, from 1150 to 1970, except for 1793–1806 during the French Revolution. Emerging around 1150 as a corporation associated wit ...
and became a renowned and brilliant animal and human anatomist and physician.
From 1773 Vicq d'Azyr taught a celebrated course of
anatomy
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 ...
at the
Jardin du Roi
The Jardin des Plantes (, ), also known as the Jardin des Plantes de Paris () when distinguished from other ''jardins des plantes'' in other cities, is the main botanical garden in France. Jardin des Plantes is the official name in the present da ...
, currently the Museum of Natural History, in
Paris
Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...
. In 1774 he was elected a member of the
Académie des Sciences with the support of his friend Condorcet, the Perpetual Secretary. In this latter capacity, he was in charge of writing the
eulogies of his colleagues. This he accomplished with great talent, thus winning a lifetime membership to the
Académie française
An academy (Attic Greek: Ἀκαδήμεια; Koine Greek Ἀκαδημία) is an institution of tertiary education. The name traces back to Plato's school of philosophy, founded approximately 386 BC at Akademia, a sanctuary of Athena, the go ...
in 1788. On the outbreak of an epidemic in Guyenne he was charged with writing a report, of making propositions and with their execution. Pursuing an early perception of the responsibility of the State on health affairs, Anne-Robert-Jacques Turgot proposed the creation of the
Société Royale de Médecine. In 1775, Vicq d'Azyr was made Perpetual Secretary. Under his leadership, the Société compiled over 16 years a great mass of facts and information about diseases, physicians, economics and food resources.
He was the last physician of Queen
Marie-Antoinette, whom he tried to protect.
Additionally he was a professor of
veterinary medicine
Veterinary medicine is the branch of medicine that deals with the prevention, management, medical diagnosis, diagnosis, and treatment of disease, disorder, and injury in non-human animals. The scope of veterinary medicine is wide, covering all a ...
at the School of
Alfort, as well as Superintendent of
epidemics.
As an anatomist he was one of the first to use coronal sections of the brain and to use
alcohol
Alcohol may refer to:
Common uses
* Alcohol (chemistry), a class of compounds
* Ethanol, one of several alcohols, commonly known as alcohol in everyday life
** Alcohol (drug), intoxicant found in alcoholic beverages
** Alcoholic beverage, an alco ...
to aid
dissection
Dissection (from Latin ' "to cut to pieces"; also called anatomization) is the dismembering of the body of a deceased animal or plant to study its anatomical structure. Autopsy is used in pathology and forensic medicine to determine the cause of ...
. He described the
locus coeruleus,
the
locus niger (
substantia nigra
The substantia nigra (SN) is a basal ganglia structure located in the midbrain that plays an important role in reward and movement. ''Substantia nigra'' is Latin for "black substance", reflecting the fact that parts of the substantia nigra a ...
) in the
brain
The brain is an organ (biology), organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. It consists of nervous tissue and is typically located in the head (cephalization), usually near organs for ...
, in 1786, and the
band of Vicq d'Azyr, a fiber system between the external granular layer and the external pyramidal layer of the
cerebral cortex
The cerebral cortex, also known as the cerebral mantle, is the outer layer of neural tissue of the cerebrum of the brain in humans and other mammals. It is the largest site of Neuron, neural integration in the central nervous system, and plays ...
, as well as the
mamillothalamic tract, which bears his name. His systematic studies of the
cerebral convolutions became a classic and Vicq d'Azyr was one of the first neuroanatomists to name the gyri. He studied the deep gray nuclei of the
cerebrum
The cerebrum (: cerebra), telencephalon or endbrain is the largest part of the brain, containing the cerebral cortex (of the two cerebral hemispheres) as well as several subcortical structures, including the hippocampus, basal ganglia, and olfac ...
and the
basal ganglia
The basal ganglia (BG) or basal nuclei are a group of subcortical Nucleus (neuroanatomy), nuclei found in the brains of vertebrates. In humans and other primates, differences exist, primarily in the division of the globus pallidus into externa ...
. He participated in the Second Encyclopedia. During the French Revolution he was elected to the Commission temporaire des arts, where he was charged with determining the future of anatomical education in France.
Vicq d'Azyr died of
tuberculosis
Tuberculosis (TB), also known colloquially as the "white death", or historically as consumption, is a contagious disease usually caused by ''Mycobacterium tuberculosis'' (MTB) bacteria. Tuberculosis generally affects the lungs, but it can al ...
on 20 June 1794 during
The Terror. He had that day attended
Robespierre's Festival of the Supreme Being. His dramatic biography describes him as spending his last remaining years shaken by nightmares and terrified of the guillotine.
A collection of some of his papers is held at the National Library of Medicine in Bethesda, Maryland.
Bibliography
*
*
*
* ''Éloges''
* ''Mémoires sur l'Anatomie Humaine et Comparée''
*
* ''Système Anatomique des Quadrupèdes''
References
;Notes
;Bibliography
*
*
*
*
*
*
*
*
External links
* Mandressi, R
Félix Vicq d'Azyr : l'anatomie, l'État, la médecine In French.
{{DEFAULTSORT:Vicq-dAzyr, Felix
1748 births
1794 deaths
People from Manche
French anatomists
University of Paris alumni
18th-century French physicians
18th-century deaths from tuberculosis
Members of the Académie Française
Members of the French Academy of Sciences
Tuberculosis deaths in France
People from the Province of Normandy