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Maggots and several other forms of life were born out of living material. Scientists were understanding that organisms only come from things that are alive. Rocks and other objects couldn't life. -
Along with globular particles being found inside frog eggs, Jan Swammerdam began to observe oval shaped red blood cells. Frog embryo's were made of circular fragments. -
After scientists began to acknowledge the existence of small life building blocks. A cell was the first term used to describe these unknown organisms. -
He found out that cells were motile and sent a letter to the Royal society suggesting that cells are alive. Then Antoni called cells animalcules because they looked like little animals. -
Now the fact that all organisms came from pre-existing organism was now well known. It was common knowledge that cells came from other cells. A century later, spontaneous generation would be brought up as a topic. -
The nucleus was named. It was already discovered by Felice Fontana, but Brown was the one to give it a name. It was seen as an essential part of cells. -
More things were being found that contained cells. He said that the formation of cells had to occur in every organism. -
Suggested that all plants and their parts were made up of cells and/or their products. The world was now getting closer to realizing all living things were made of cells. -
With the help of Albert Kölliker, Remak proved that cells are formed only by pre-existing cells and nothing else. The specifics of cellular division weren't known back then, but they still knew it happened. -
Was the term used to describe cells splitting and making new cells. Also had many other functions like splitting chromosomes. Chromatin, structures that appeared during cell division, was found by Flemming as well