Anterior Horn Cell Disease is a neurological disorder affecting the anterior horn cells of the spinal cord. The IPA phonetic transcription of this word is /ænˈtɪə.riər hɔrn sɛl dɪˈziːz/. The first syllable starts with the vowel sound /æ/ as in "cat", followed by the syllable stress on the second syllable with a short "i" sound /ɪ/. The second word "horn" is pronounced with an "o" sound like in "corn", while "cell" has a short "e" vowel sound /ɛ/. Lastly, the last syllable of "disease" ends with a long "e" like in "bee".
Anterior Horn Cell Disease refers to a group of neurodegenerative disorders that affect the anterior horn cells, which are found in the spinal cord. These cells are responsible for transmitting signals from the brain to the muscles, enabling motor function.
This disease primarily affects the lower motor neurons in the anterior horn cells, leading to weakness, muscle wasting, and a loss of muscle control. Anterior Horn Cell Disease can manifest in various forms, including spinal muscular atrophy (SMA), poliomyelitis, and progressive muscular atrophy (PMA).
SMA, the most common type of Anterior Horn Cell Disease, is characterized by the progressive degeneration of motor neurons, resulting in muscle weakness and atrophy. This condition can range from mild to severe, with varying age of onset and rates of progression.
Poliomyelitis, also known as polio, is caused by the poliovirus and primarily affects the anterior horn cells in the spinal cord. This viral infection leads to muscle weakness, paralysis, and can be life-threatening.
Progressive Muscular Atrophy (PMA) is a rare form of Anterior Horn Cell Disease that specifically affects the lower motor neurons. It is characterized by the gradual weakening and wasting of muscles, typically starting in the hands and progressing upwards.
The symptoms of Anterior Horn Cell Disease often include muscle weakness, loss of reflexes, muscle atrophy, and difficulty with movement and coordination. Treatment options for these conditions are usually aimed at managing symptoms, improving quality of life, and providing supportive care.