1669 ⟶ Jan Swammerdam studies epigenesis in insects

Jan Swammerdam: epigenesis in insects.
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Year
1668
1669
1672
1767

🪰 Francesco Redi disproves spontaneous generation using fly maggots

Francesco Redi disproved spontaneous generation by showing that fly maggots only appear on pieces of meat in jars if the jars are open to the air. Jars covered with cheesecloth contained no flies.⟶
Francesco Redi disproves spontaneous generation using fly maggots (1668)
Spontaneous GenerationFrancesco RediBiologyGerm Theory17th CenturyExperimentationItalyBiogenesisMicrobiology
ItalyItaly

🐛 Jan Swammerdam studies epigenesis in insects

Jan Swammerdam: epigenesis in insects.⟶
Jan Swammerdam studies epigenesis in insects (1669)
EpigenesisInsect BiologyJan SwammerdamBiology17th CenturyDevelopmental BiologyNetherlandsEmbryology
NetherlandsNetherlands

🐣 Marcello Malpighi describes chick development

Marcello Malpighi published the first description of chick development, including the formation of muscle somites, circulation, and nervous system.⟶
Marcello Malpighi describes chick development (1672)
EmbryologyMarcello MalpighiDevelopmental Biology17th CenturyBiologyItalyCirculationNervous System
ItalyItaly

🐣 Kaspar Friedrich Wolff Argues for Epigenesis

Kaspar Friedrich Wolff argued that the tissues of a developing chick form from nothing and are not simply elaborations of already-present structures in the egg.⟶
Kaspar Friedrich Wolff Argues for Epigenesis (1767)
BiologyEmbryologyEpigenesisKaspar Friedrich WolffDevelopmental Biology18th CenturyPreformationism
GermanyGermany