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What is Intercalated discs are present in? and explain in detail?
ANSWER: (C) Cardiac myocytesREF: Ganong's 22nd ed p. 78"Cardiac muscle consists of single heart musde ceils (cardiomyocy tes) which have to be connected by intercalated discs to work as a functional organ"MUSCLE CELLS TYPES SkeletalCardiacSmoothNucleiMultinucleated, peripherally locatedSingle nuclei, Centrally locatedSingle nuclei. Centrally locatedBandingActin and myosin form distinctive bandsActin and myosin form distinctive bandsActin and myosin; No distinctive bandsZ-disksPresentPresentAbsent, cytoplasmic dense bodies are presentT tubulesT tubules at A-I junction; triads presentT tubules at Z disk; diads presentNo T tubules; no triadsCellular junctionsNo junctional complexesIntercalated disksGap junctionsNeuromuscularjunctionsPresentNot present; contraction is intrinsicNot present; contraction is intrinsic, neural, or hormonalCa+ bindingTroponinTroponinCalmodulinRegenerationLimited; satellite cellsNoneHigh