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Deer grow antlers anew each spring. Now, scientists want to take the cells that power deer antler growth and figure out how to give that same ability to humans.
Velvet antler is the whole cartilaginous antler in a precalcified growth stage of the Cervidae family including the species of deer such as elk, moose, and caribou. Velvet antler is covered in a hairy, velvet-like "skin" known as velvet and its tines are rounded, because the antler has not calcified or finished developing.
Bighorn sheep (Ovis canadensis) were once very numerous in western United States and were an important food source for humans. The "Sheep eaters", a band of Shoshone people, lived year-round in Yellowstone until 1880. Their principal food was bighorn sheep and they made their bows from sheep horns. By 1900, during an "epoch of relentless ...
Growth occurs at the tip, and is initially cartilage, which is later replaced by bone tissue. Once the antler has achieved its full size, the velvet is lost and the antler's bone dies. This dead bone structure is the mature antler. In most cases, the bone at the base is destroyed by osteoclasts and the antlers fall off at some point. [6]
For this reason, it is best to avoid placing the wires in direct contact by padding them. The use of adhesive mounts should be avoided entirely. [5] Rotating the bone, antler, horn, and ivory items on display, following a set timeline, prevents them from being exposed for extended periods, thus reducing the risk of extensive light damage.
2. Vitamin B12. One of eight B-complex vitamins, vitamin B12 is found naturally in some types of fish, red meat and fortified foods.It plays a key role in central nervous system function, DNA ...
Regeneration in biology is the process of renewal, restoration, and tissue growth that makes genomes, cells, organisms, and ecosystems resilient to natural fluctuations or events that cause disturbance or damage. [1] Every species is capable of regeneration, from bacteria to humans.
This dead bone structure is the mature antler. In most cases, the bone at the base is destroyed by osteoclasts and the antlers eventually fall off. [62] As a result of their fast growth rate antlers place a substantial nutritional demand on deer; they thus can constitute an honest signal of metabolic efficiency and food gathering capability. [65]