Muscular Tissue — Flashcards

Flashcard 1: Dystrophin normally anchors the muscle _____ to the extracellular matrix; primarily in skeletal and cardiac muscle

Answer: cytoskeleton

Flashcard 2: _____ are present instead of Z lines in smooth muscle which are bound to actin filaments by alpha-actinin

Answer: Dense bodies

Flashcard 3: _____ are commonly observed in perinuclear areas in cardiac muscle

Answer: Lysosomes (Cell organelle)

Flashcard 4: A _____ is a structure found in cardiac muscle which contains 1 T-tubule with 1 terminal cisterna

Answer: dyad

Flashcard 5: Entire skeletal muscle is surrounded by the _____

Answer: epimysium

Flashcard 6: What type of muscle fiber is characterized by multinucleated, cylindrical, unbranched cells with peripherally located nuclei and prominent cross-striations?

Answer: Skeletal muscle

Extra: Skeletal muscle fibers are long, cylindrical, and unbranched. They are under voluntary control. **Distinguishing histological features:** - **Skeletal**: Multiple peripheral nuclei, striated, unbranched. - **Cardiac**: Single central nucleus, striated, branched, intercalated discs. - **Smooth**: Single central nucleus, non-striated, spindle-shaped.

Flashcard 7: Plasma cells have abundant RER and a well-developed _____

Answer: Golgi apparatus

Flashcard 8: The histopathological image represents the _____ gland, which is a type of holocrine gland.

Answer: sebaceous

Flashcard 9: What type of muscle fibre is this? _____

Answer: Skeletal

Flashcard 10: The given image of Electron micrograph shows Presynaptic _____

Answer: Secretory vesicles