Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/9

Click to flip

9 Cards in this Set

  • Front
  • Back
What was Kircher's contribution?
He observed microscopic "worms" in spoiled meat and linked disease to "small creatures"
Leewuenhoek?
He observed rods, spheroids, and spiral "little animals" in different materials
What did Spallazani contribute?
He disproved the spontaneous generation theory using boiled meat in a flask
What was Appert's contribution?
He developed the first sealed container thermal process for food preservation; initialy used ceramic containers.
Durand?
Created canning preservation: took appert's invention & suggested use of metal instead of ceramic
Pasteur's contributions?
Many
-Recognized that fermentation was due to yeasts/bacteria
-confirmed that spoilage can be airborne
-and of course, developed a mild heating process for preservation
- postulated the "germ theory of disease"
- developed 1st anthrax/rabbies vaccines
Snow
He recognized that you could get sick from feces of other people
Koch?
Koch postulates (4):
1. Organism be found in sick animal
2. Organism isolated and cultured
3. It should cause disease in a healthy animal
4. Needs to be reisolated from the animal

Also!
Petri dish, use of agar came from his lab
Who is Metchnikov?
Father of immunology
--> recognized the benefits of fermented milk