Answer :
The slow loss of neurons in specific regions of the central nervous system is the hallmark of a set of chronic, progressive degenerative disease known as neurodegenerative diseases (CNS).
Alzheimer's disease is one example of a degenerative disease. Laminar Amyotrophic Sclerosis ataxia friedreichian. The course of PD invariably results in practically total impairment, including mental and cognitive function as well as physical breakdown impacting most bodily systems, despite the fact that PD is also progressive (symptoms worsen). Emphysema is a slowly progressing degenerative condition that impairs the alveolar walls' pliability, which impairs the lungs' ability to expel air. A two-layered membranous pleural sac is formed when a serous membrane known as the pleura folds back on itself. The outer layer's connection to the chest wall is known as the parietal pleura.
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Final answer:
A progressive degenerative disease, such as Alzheimer's or Parkinson's, is a condition where there's ongoing loss of bodily functions due to cell death, often involving the nervous system and resulting in irreversible functional decline.
Explanation:
A progressive degenerative disease is a condition, often related to the nervous system, that involves the gradual deterioration and loss of function in the cells or tissue of the body. Generally, these diseases result in the irreversible loss of function due to the ongoing death of affected neurons or other cells. Alzheimer's disease (AD) is a prominent example of such a disorder, manifesting as a progressive neurodegenerative disease where there's continuous, extensive brain damage over time. Symptoms vary depending on which part of the nervous system is impacted. For instance, damage in the cerebellum can lead to problems with balance and walking, as seen in spinocerebellar ataxia. Other well-known neurodegenerative disorders include Parkinson's disease, Huntington's disease, amyotrophic lateral sclerosis (ALS), and other dementia disorders.
