ILS7 Flashcards
Histology of connective tissue and muscle
1
Q
appearance under microscope
Cardiac Muscle Tissue
A
- striated
- single nucleus, located centrally
- arranged in branching network
- intercalated discs and gap junctions
2
Q
Human Muscle Disorders
A
- genetic: muscular dystrophy
- chronic pain: fibromyalgia
- cancer (Sarcoma)
- Coronary heart disease
- infections (Lyme disease, malaria, and Rocky Mtn Fever)
- physical injuries,
3
Q
clinical conditions
human connective tissues
A
tendon tears, bony fractures, muscular compartment syndromes, cartilaginous injury, surgical disruption, direct inflammation
4
Q
Autoimmune connective tissue diseases
A
- SLE Systemic lupus erythematosus
- Scleroderma (systemic sclerosis)
- Rheumatoid Arthritis
5
Q
Gene defect-related connective tissue disease
A
- Ehlers-Danlos syndrome
- Marfan syndrome
- Scurvy
6
Q
Scurvy
A
- Vitamin C deficifiency needed to make collagen
7
Q
Fibroblasts
A
- play role in wound healing
- synthesize connective tiss
8
Q
Osteocytes
A
- mature bone cells
- hydroxyapatite crystals
- control activity of osteoblasts and osteoclasts
- increase bone mineralization
- degeneration: increase bone respoption, decrease bone formation, loss of response to stress
