Examlex
Which of the following microorganisms causes symptoms most like tuberculosis?
Osteoblasts
Cells with the principal function to synthesize and secrete the collagen matrix and ground substance of bone tissue, initiating bone formation.
Sarcoplasmic Reticulum
The system of vesicles in a muscle cell that surrounds the myofibrils and releases calcium in muscle contraction; a modified endoplasmic reticulum.
Skeletal Muscle Fibers
The cells of skeletal muscles, characterized by their long, striated appearance and role in voluntary movement.
Myofibrils
Long, filamentous organelles found inside muscle cells that are highly specialized for contraction.
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