1651 ⟶ William Harvey's Conclusion on Animal Development
William Harvey concluded that all animals, including mammals...
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1628
1651
1672
1768
1826
❤️ William Harvey Publishes on the Circulation of Blood
William Harvey published An Anatomical Exercise on the Motion of the Heart and Blood in Animals⟶
BiologyCirculation of BloodWilliam HarveyAnatomyPhysiologyScientific RevolutionMedicine
United Kingdom🥚 William Harvey's Conclusion on Animal Development
William Harvey concluded that all animals, including mammals, develop from eggs, and spontaneous generation of any animal from mud or excrement was an impossibility.⟶
BiologyEmbryologyWilliam HarveySpontaneous GenerationReproduction17th CenturyScientific RevolutionDevelopmentZoology
🐣 Marcello Malpighi describes chick development
Marcello Malpighi published the first description of chick development, including the formation of muscle somites, circulation, and nervous system.⟶
EmbryologyMarcello MalpighiDevelopmental Biology17th CenturyBiologyItalyCirculationNervous System
Italy🔬 Lazzaro Spallanzani Disproves Spontaneous Generation and Studies Reproduction
Lazzaro Spallanzani again disproved spontaneous generation by showing that no organisms grow in a rich broth if it is first heated (to kill any organisms) and allowed to cool in a stoppered flask. He also showed that fertilization in mammals requires an egg and semen.⟶
BiologySpontaneous GenerationLazzaro SpallanzaniGerm TheoryReproduction18th CenturyFertilization
Italy🥚 Karl von Baer Discovers Mammalian Eggs in Ovaries
Karl von Baer showed that the eggs of mammals are in the ovaries, ending a 200-year search for the mammalian egg.⟶
BiologyEmbryologyMammalian eggReproduction19th centuryOvariesZoology
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