Oskar Hertwig
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Oskar Hertwig — Aus: Lehrbuc … Deutsch Wikipedia
Hertwig's epithelial root sheath — The Hertwig s epithelial root sheath (frequently abbreviated as HERS ) is a proliferation of epithelial cells located at the cervical loop of the enamel organ in a developing tooth. Hertwig s epithelial root sheath initates the formation of… … Wikipedia
Hertwig, Richard von — ▪ German biologist born September 23, 1850, Friedberg, Hessen died October 3, 1937, Munich German biologist particularly noted for the development of the germ layer theory, which proposes that all organs and tissues are derived variously from… … Universalium
Hertwig — Hertwig, 1) Karl Heinrich, Tierarzt, geb. 10. Jan. 1798 zu Ohlau in Schlesien, gest. 19. Juli 1881 in Berlin, studierte in Breslau Medizin, in Wien und München Tierarzneikunde, wurde 1823 an der Tierarzneischule in Berlin Repetitor, 1826 Lehrer… … Meyers Großes Konversations-Lexikon
Hertwig — Hertwig, Oskar, Anatom, geb. 21. April 1849 in Friedberg (Wetterau), Prof. in Jena, seit 1888 in Berlin; schrieb: »Beiträge zur Kenntnis der Bildung, Befruchtung und Teilung des tierischen Eies« (1875 u. 1878), »Lehrbuch der… … Kleines Konversations-Lexikon
Hertwig — Hertwig, Oskar … Enciclopedia Universal
Oscar Hertwig — Aus: Lehrbuch der Entwicklungsgeschichte des Menschen und der … Deutsch Wikipedia
Hertwig, Oskar — ▪ German biologist born April 21, 1849, Friedberg, Hessen died October 25, 1922, Berlin German embryologist and cytologist who was the first to recognize that the fusion of the nuclei of the sperm and ovum was the essential event in… … Universalium
Richard Hertwig — Richard Wilhelm Karl Theodor Ritter von Hertwig (September 23, 1850 October 3, 1937), also Richard Hertwig or Richard von Hertwig, was a German zoologist and professor of 50 years, notable as the first to describe zygote formation as the fusing… … Wikipedia
Hertwig, Oskar — ► (1849 1922) Anatomista y embriólogo alemán. Él y su hermano Richard fueron los primeros en descubrir y observar con éxito la fecundación, empleando huevos y espermatozoides de erizos de mar … Enciclopedia Universal
Portrait d'Oscar Hertwig
Portail de l’histoire de la zoologie et de la botanique
