1 Hydrogen is the most abundant element in the universe. 2  Hydrogen isn't common in a pure form on Earth, but is mostly found as part of water. 3  Hydrogen is the main fuel of stars and the only fuel for red dwarfs. 4  The whole universe is thought to have been formed by a Hydrogen nucleus.
Noun. 1. hindlimb-a posterior appendage such as a leg or the homologous structure in other animals. hind limb. hind leg-the back limb of a quadruped. limb-one of the jointed appendages of an animal used for locomotion or grasping: arm; leg; wing; flipper. 1  Facebook.
To compensate for the trade-off that this implies with power, they also have really. large hind limb musculature; in fact, itâs hard to imagine more lopsided beast than. a K-rat. There often is a reduction in number of digits in the hind limb. The forelimb is almost always very generalized, and is used in feeding grooming, etc. C. Other adaptations: 1 - Stiffening of the spine to resist whiplash. - cervical vertebrae are often fused in saltators. - lumbar vertebrae tend to be robust.