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Wallerian degeneration is an active process of degeneration that results when a nerve fiber is cut or crushed and the part of the axon distal to the injury (which in most cases is farther from the neuron's cell body) degenerates. [1]
Polyneuropathy in dogs and cats is a collection of peripheral nerve disorders that often are breed-related in these animals. Polyneuropathy indicates that multiple nerves are involved, unlike mononeuropathy. Polyneuropathy usually involves motor nerve dysfunction, also known as lower motor neuron disease. Symptoms include decreased or absent ...
When a nerve axon is severed, the end still attached to the cell body is labeled the proximal segment, while the other end is called the distal segment. After injury, the proximal end swells and experiences some retrograde degeneration, but once the debris is cleared, it begins to sprout axons and the presence of growth cones can be detected.
Transneuronal degeneration is the death of neurons resulting from the disruption of input from or output to other nearby neurons. [1] It is an active excitotoxic process when a neuron is overstimulated by a neurotransmitter (most commonly glutamate) [2] causing the dysfunction of that neuron (either damaging it or killing it) which drives neighboring neurons into metabolic deficit, resulting ...
Denervation can occur as a consequence of nerve injury. The three primary categories of nerve injury are neurapraxia, axonotmesis, and neurotmesis, each corresponding to varying degrees of damage and potential for recovery. In cases of nerve injury, the brain demonstrates an impressive ability to rewire or reorganize its neuronal circuitry ...
Lentigo in cats is a common dermatological condition characterized by the presence of small, flat, brownish spots on the skin — particularly around the lips, nose, and eyelid margins. Unlike in ...
CH has been found in several species, including cats, dogs, cows and sheep. There are other diseases that lead to cerebellar degeneration , but the loss of Purkinje cells is a clear way to diagnose cerebellar abiotrophy, and the combination of clinical signs is sufficiently unique that cerebellar abiotrophy can easily be distinguished from ...
It’s a well-established fact that cats rule the Internet. From their toe beans to their tongue tips, netizens can’t seem to get enough of felines doing their furry thing, whether they’re ...