The main structural protein found in between the cells of bone and skin. Collagen is strong when it is pulled, giving skin its elasticity and bone its flexibility.
Collagen Term Timeline in Your Inner Fish
The timeline below shows where the term Collagen appears in Your Inner Fish. The colored dots and icons indicate which themes are associated with that appearance.
Chapter 7: Adventures in Bodybuilding
...At a molecular level, cartilage has much more space between its cells, with lots of collagen filling in and an incredibly specialized molecule called a proteoglycan that can fill up with... (full context)
Moving back to the earliest bodies, almost all animals with a body seem to have collagen and proteoglycans in between their body cells. The earliest creatures with bodies would have had... (full context)
...simpler than placazoans. The “body” of a sponge is actually a non-living silica complex with collagen interspersed. In 1894, H.V.P. Wilson, the first professor of biology at the University of North... (full context)
...adhesion or cell communication. Expanding her research on microbes, King then found primitive versions of collagen and proteoglycan on the surfaces of different microbes that specialize in invading and infecting other... (full context)
...ancient environment was much harsher than our current environment, and bodies are hard to maintain. Collagen especially requires a lot of oxygen, meaning that cells would have needed a huge surplus... (full context)