Word: collagenous
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...diffraction and polarization optics to explore the inner workings of cells, and studied molecular biology before the term was invented. Head of the team that was first in the U.S. to use an electron microscope for studying biological tissues, he is also well known for his work on collagen, the clear protein material that fills the spaces between cells...
...soon absorbed, and transplanted human vitreous may provide only short-term benefits. Now a research team at Cornell University Medical College's Rogosin Laboratories has developed a material that overcomes all these problems. According to Dr. Michael W. Dunn, he and his colleagues are using collagen, a natural body substance, to replace lost or damaged vitreous humor...
Holding the Retina. The choice is logical. A protein that helps to fill the spaces between cells of the body, collagen is already used experimentally to replace skin destroyed by burns. Extracted from animal tissue and further purified, the collagen gel is injected into the damaged eye by hypodermic. Once in place, it acts as both a light-transmitting substance and a source of pressure, filling the eye and holding the retina in place...
Experimentation with the collagen gel has been encouraging. In tests undertaken recently, no subject rejected the purified collagen as a foreign substance. Nor does the collagen liquefy. Instead, it is gradually absorbed as new ocular fluid appears naturally, usually within four weeks. Meanwhile, the gel promotes the return of vision. On one series of patients treated by Dr. Donald M. Shafer, the collagen gel was administered as part of a regular surgical procedure to seven people with eye hemorrhages. In three cases, there was a recurrence of the hemorrhaging, and the damage was too severe to be corrected. But four...
...plans to turn his attention to cold-blooded fossil animals, whose temperatures, unlike those of warmblooded creatures, varied with climatic changes. By using his collagen method to take their body temperatures, he believes, he can determine the approximate temperature of the prehistoric climate in which they lived...