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Myofiber Anatomy

What is the cytoplasm of a myofiber called? sarcoplasm
What is the cell membrane of a myofiber called? sarcolemma
What does multinucleated mean? The cell contains many nuclei.
Name the enlarged portions of the sarcoplasmic reticulum that store calcium ions. cisternae
Name the tunnels that run the width of the myofiber; these tunnels are an extension of the sarcolemma. transverse tubules (t-tubules)
Name the tubular transportation network analogous to endoplasmic reticulum. sarcoplasmic reticulum (SR)
Name the organelles that produce ATP during aerobic respiration. mitochondria
Name the 100s-1000s of long, cylindrical organelles that fill a myofiber. myofibrils
Created by: smonahan