Search results
Results From The WOW.Com Content Network
While reparative regeneration is a rare phenomenon in mammals, it does occur. A well-documented example is regeneration of the digit tip distal to the nail bed. [83] Reparative regeneration has also been observed in rabbits, pikas and African spiny mice.
Regeneration in humans is the regrowth of lost tissues or organs in response to injury. ... For example, the body regenerates a full bone within ten years, ...
Examples include the injection of stem cells or progenitor cells obtained through directed differentiation (cell therapies); the induction of regeneration by biologically active molecules administered alone or as a secretion by infused cells (immunomodulation therapy); and transplantation of in vitro grown organs and tissues (tissue engineering ...
Neuroregeneration is the regrowth or repair of nervous tissues, cells or cell products. Neuroregenerative mechanisms may include generation of new neurons, glia, axons, myelin, or synapses.
In ecology regeneration is the ability of an ecosystem – specifically, the environment and its living population – to renew and recover from damage. It is a kind of biological regeneration . Regeneration refers to ecosystems replenishing what is being eaten, disturbed, or harvested.
A classic example being the continuous replacement of blood cells. A fourth type of regeneration is compensatory regeneration or Compensatory hyperplasia, where existing tissue will proliferate and regenerate damaged or missing tissue without the use of stem cells or previous adult cells undergoing dedifferentiation before dividing. As such, no ...
A microbiologist named João Pedro de Magalhães has proposed the idea that the reign of dinosaurs forced mammals to speed up their reproductive cycle, eliminating key longevity genes.
The existing epithelial cells can replicate, and, using the basement membrane as a guide, eventually bring the kidney back to normal. After regeneration is complete, the damage is undetectable, even microscopically. [citation needed] Healing must happen by repair in the case of injury to cells that are unable to regenerate (e.g. neurons).