A group of cells of the myocardium that function collectively as a unit during depolarization.
An undivided mass of protoplasm containing several nuclei.
A continuous length of tissue in muscle fibres.
Mass of protoplasm containing several nuclei, as in muscle fibers.
A mass of protoplasm containing several nuclei. Muscle fibers are syncytia.
A multinucleated mass of protoplasm such as a striated muscle fiber.
A cellular structure with multiple nuclei within a single mass of cytoplasm.
The outer layer of the chorionic villi linked to the fetal membrane inside the uterus.