Chitin is also found in the cell walls of certain fungi and algae. Biology chitin definition of by the free dictionarycollins english dictionary. It is a primary component of cell walls in fungi, the exoskeletons chitine, which was derived 1821 from greek word (chiton), meaning covering although you may have never heard it, chitin abundant nature.
Amyotrophic lateral sclerosis (ALS) is a progressive neurological disease that causes muscle weakness and gradually impacts on the functioning of the body, leading to eventual death. It is also referred to as motor neuron disease or Lou Gehrig's disease, named after the famous baseball player who had the condition.
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease of motor neurons leading to progressive weakness of the limbs, bulbar muscles, and respiratory muscles. Fifty percent of patients die within 3 years after onset of symptoms, mainly due to respiratory failure (1, 2).