Search results
Results from the WOW.Com Content Network
An antler on a red deer stag. Velvet covers a growing antler, providing blood flow that supplies oxygen and nutrients. Each antler grows from an attachment point on the skull called a pedicle. While an antler is growing, it is covered with highly vascular skin called velvet, which supplies oxygen and nutrients to the growing bone. [6]
Mule deer females usually give birth to two fawns, although if it is their first time having a fawn, they often have just one. [29] A buck's antlers fall off during the winter, then grow again in preparation for the next season's rut. The annual cycle of antler growth is regulated by changes in the length of the day. [29] [31]
Antler, a modified form of bone, grows out of the skull bones of certain species of animals, such as deer, and is typically shed once a year.It consists of a thick layer of compact bone, an inner section of spongy bone, and internal blood vessels that are fewer in number and more irregular than the ones present in bone.
Deer grow antlers anew each spring, often at the rate of an inch per day. Now, scientists want to take the cells that power deer antler growth and figure out how to give that same ability to humans.
Female red deer reach sexual maturity at 2 years of age. [43] Red deer mating ... Rustic deer antler candle holder ... A treatise on the growth of the horns of the ...
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.
One of the principal means of distinguishing the closely related black-tailed deer and white-tailed deer is the growth habit of the buck's antlers. In the case of the Black Tail and California mule deer, the antlers fork in an upward growth, whereas the other species' antlers grow in a forward direction.
Erika Howsare's 'The Age of Deer' tracks the roller-coaster ride of deer populations in the U.S. — and what they reveal about human ways of thinking.