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****End result in muscle consisting of almost only fibrous tissue
****End result in muscle consisting of almost only fibrous tissue
***Sometimes replaced by fat tissue -> increased size of muscle = ''pseudohypertrophy''
***Sometimes replaced by fat tissue -> increased size of muscle = ''pseudohypertrophy''
***Muscle may have a mixture of atrophied and [[Muscles Hyperplastic and Neoplastic - Pathology#Hypertrophy|hypertrophied]] (due to increased work load) fibres if some motor units are not damaged
***Muscle may have a mixture of atrophied and [[Muscle Hypertrophy|hypertrophied]] (due to increased work load) fibres if some motor units are not damaged
**<u>'''Metabolisation of muscle protein'''</u> for nutrients during:
**<u>'''Metabolisation of muscle protein'''</u> for nutrients during:
***Malnutrition, cachexia, senility
***Malnutrition, cachexia, senility
***Gradual onset except for some febrile diseases causing cachexia
***Gradual onset except for some febrile diseases causing cachexia
***Postural muscles are not affected, sometimes even [[Muscles Hyperplastic and Neoplastic - Pathology#Hypertrophy|hypertrophy]]
***Postural muscles are not affected, sometimes even [[Muscle Hypertrophy|hypertrophy]]
***Histologically:
***Histologically:
****Some nuclei disappear as myofibre volume is decreased
****Some nuclei disappear as myofibre volume is decreased