Henri Dutrochet

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Henri Dutrochet

Henri René Joachim Dutrochet (born November 14, 1776 in Néon , Poitou , † February 4, 1847 in Paris ) was a French botanist . Its official botanical author's abbreviation is “ Dutr. "

From 1802 Dutrochet studied medicine at the University of Paris , where he received his doctorate in 1806. med. PhD. From 1808 he was a military doctor in Spain. After suffering from typhoid , he lived at Château-Renault . From 1810 he was a private scholar and lived temporarily in Paris.

Dutrochet researched the principle of osmosis and coined the terms endosmosis and exosmosis. He was also one of the first botanists to observe the multiplication of cells through division . As one of the first natural scientists, he emphasized the importance of cells for organisms. He also discovered the connection between the occurrence of chlorophyll in plants and photosynthesis . From 1831 he was a member of the Academy of Sciences in Paris.

On the Mascarene endemic plant species Trochetia ( Malvaceae ) is named after him.

Fonts

Endosmometer developed by Dutrochet from Nouvelles recherches
  • L'agent immédiat du mouvement vital dévoilé dans sa nature et dans son mode d'action, chez les végétaux et chez les animaux. Paris: Dentu, 1826
  • Nouvelles Recherches sur l'Endosmose et l'Exosmose , suivies de l'application expérimentales de ces actions physiques à la solution duprobleme de l'irritabilité végétale. Paris, 1828
  • Observations sur les champignons; Lues à l'Académie. Paris 1834
  • Observations on the variations accidentelles du mode, suivant lequel les feuilles sont distribuées sur les tiges des végétaux: Lues à l'Académie. Paris 1834
  • De la déviation descendante et ascendante de l'accroissement des arbres en diamètre: Lu à l'Académie. Paris, 1835
  • Observations on the forme et the structure primitives of the embryo végétaux. Paris, 1835
  • Mémoires Pour Servir À L'Histoire Anatomique Et Physiologique Des Végétaux Et Des Animaux. Paris: Baillière, 1837
  • Physiological studies on the mobility of plants and animals (1824). Translated and edited by Alexander Nathansohn. Ostwald's classic 154, Leipzig 1906

Web links

Individual evidence

  1. ↑ List of members since 1666: Letter D. Académie des sciences, accessed on November 10, 2019 (French).
personal data
SURNAME Dutrochet, Henri
ALTERNATIVE NAMES Dutrochet, Henri René Joachim (full name)
BRIEF DESCRIPTION French botanist
DATE OF BIRTH November 14, 1776
PLACE OF BIRTH Neon , Poitou
DATE OF DEATH February 4, 1847
Place of death Paris