thumb|Prenant in his laboratory '''Louis César Auguste Prenant''' (5 November 1861 – 28 September 1927) was a French histologist and professor of medicine at Nancy. He coauthored an influential textbook of histology ''Traité d'histologie'' and developed a histology laboratory at Nancy. == Life and work == thumb|left|upright|Caricature of Prenant Prenant was born in Lyon (Rhône) son of army officer Louis Théophile. He studied natural sciences in 1882 and became a doctor of medicine in 1887. He became an assistant in natural history in 1883 at Nancy and began to head histology from 1886. He became a professor of histology in 1894 at Nancy succeeding Leon Baraban. In 1907 he moved to the faculty of medicine in Paris. His major work was on comparative embryology made in collaboration with Pol Bouin and Louis Camille Maillard. He studied the origin and development of gills, the notochord, eyes and endocrine organs. He also studied spermatogenesis in mammals.<ref name=":0">{{cite web|publisher= Comité des travaux historiques et scientifiques|title=Prenant Louis César Auguste |url=https://cths.fr/an/savant.php?id=4531#}}</ref> Prenant suggested in 1898 that the corpus luteum had a secretory function but he was not able to demonstrate it.<ref>{{Cite journal |last=Corner, sr. |first=George W. |date=1974 |title=The Early History of Progesterone |url=https://karger.com/GOI/article/doi/10.1159/000301641 |journal=Gynecologic and Obstetric Investigation |language=en |volume=5 |issue=2 |pages=106–112 |doi=10.1159/000301641 |issn=0378-7346|url-access=subscription }}</ref><ref>{{Cite journal |last=Joyet-Lavergne |first=Ph. |date=1927 |title=Notice nécrologique Auguste Prenant |url=http://link.springer.com/10.1007/BF02057109 |journal=Protoplasma |language=fr |volume=3 |issue=1 |pages=632–632 |doi=10.1007/BF02057109 |issn=0033-183X}}</ref>
Prenant was elected member of the Academy of Medicine in 1911 and knighted Legion of Honour in 1910.<ref name=":0" />
== References == {{reflist}}
== External links == * [https://archive.org/details/BIUSante_110133x028x36 Titres et travaux] (1892) * [https://wellcomecollection.org/works/m9yahrd9 Traité d'histologie] (1904-1911)
{{Authority control}} {{DEFAULTSORT:Prenant, Auguste}} Category:1861 births Category:1927 deaths Category:French biologists