| Line 1: |
Line 1: |
| − | ===[[Myofibrillar Hypoplasia]]===
| + | #REDIRECT[[:Category:Muscles - Developmental Pathology]] |
| − | | |
| − | | |
| − | | |
| − | | |
| − | ===[[Muscle Fibre Hyperplasia]]==
| |
| − | | |
| − | | |
| − | | |
| − | | |
| − | ===[[Muscular Dystrophy]]===
| |
| − | | |
| − | | |
| − | | |
| − | | |
| − | ===Glycogen storage diseases===
| |
| − | | |
| − | *Caused by a deficiency of an enzyme
| |
| − | *See [[Glycogen Infiltration|general pathology]]
| |
| − | *Type II glycogenosis
| |
| − | **Deficiency of acid maltase
| |
| − | **In Shorthorn cattle
| |
| − | **Muscular weakness and incoordination
| |
| − | **Glycogen stored in skeletal muscle, heart and CNS
| |
| − | **Type I and II muscle fibres contain glycogen vacuoles
| |
| − | *Type III glycogenosis
| |
| − | **Deficiency of debranching enzyme
| |
| − | **In dogs
| |
| − | **Causes [[Hypertrophic Cardiomyopathy|hypertrophic cardiomyopathy]] and hepatomegaly
| |
| − | **Glycogen in skeletal and cardiac muscle, neurons nad hepatocytes
| |
| − | | |
| − | [[Category:Muscles - Developmental Pathology]]
| |
| − | | |
| − | | |
| − | ===Steatosis===
| |
| − | | |
| − | *Also called '''lipomatosis'''
| |
| − | *In cattle, sheep and pigs
| |
| − | *Fat replaces lost muscle fibres
| |
| − | *Pale muscle, bilaterally symmetrical
| |
| − | *No clinical significance
| |
| − | *Noticed at slaughter or necropsy
| |
| − | | |
| − | [[Category:Muscles - Developmental Pathology]]
| |
| − | | |
| − | | |
| − | ===Myasthenia gravis (MG)===
| |
| − | | |
| − | *'''Acquired'''
| |
| − | **Autoimmune disease
| |
| − | ***Antibodies directed against acetyl choline receptors
| |
| − | **Associated with [[Thymus neoplasia|thymomas]], [[Megaoesophagus|megaoesophagus]] and dysphagia
| |
| − | **In adult dogs
| |
| − | *'''Congenital'''
| |
| − | **Inherited deficiency in acetyl choline receptors
| |
| − | **Rare
| |
| − | **Newfoundland, Jack Russel Terrier, Springer Spaniels – genetic predisposition
| |
| − | **In dogs – 4 DLA genes recognized: DLA-12, DLA-88, DLA-79 and DLA-64
| |
| − | **Associated with HLA gene in humans
| |
| − | **No antibodies against acetyl choline receptors in serum
| |
| − | **Non-specific muscle [[Muscles Degenerative - Pathology#Atrophy|disuse atrophy]] and fibrosis or no changes on histology
| |
| − | *Both forms manifest as weakness which worsens on exercise
| |
| − | | |
| − | [[Category:Muscles - Developmental Pathology]]
| |
| − | | |
| − | | |
| − | ===[[Canine Dermatomyositis]]===
| |
| − | | |
| − | ===[[Muscles Degenerative - Pathology#Porcine stress syndrome|Porcine stress syndrome]]===
| |
| − | | |
| − | | |
| − | [[Category:Musculoskeletal System - Pathology]]
| |