The muscle cell is the structural unit of muscle tissue. lexhunter PLUS. These cells possess a single, central nucleus. Muscle movement happens when neurological signals produce electrical changes in muscle cells. Spell. The muscle contractions of striated muscle cells are regulated by calcium ion concentration, which is in turn regulated by a structure known as the sarcoplasmic reticulum. Muscle - Muscle - Structure and organization: Smooth muscle contains spindle-shaped cells 50 to 250 μm in length by 5 to 10 μm in diameter. fascicle. Bone Growth Diagram 8 Terms. muscle cells 11 Terms. Géographie - Se repérer sur Terre 14 Terms. Joyce_Saldivar. jolinj TEACHER. In the skeleton muscle cell, the cytoplasm is called sarcoplasm. Human muscle system, the muscles of the human body that work the skeletal system, that are under voluntary control, and that are concerned with movement, posture, and balance. You have three types of muscle … A muscle cell diagram looks quite unlike other types of cells in the human body because cell shape relates to cell function. The muscle tissue is made up muscle cells. Flashcards. What are Muscle Cells? Muscle tissue is considered as one of the main tissue types present in the body. Search Help in Finding Label the muscle cell diagram - Online Quiz Version This structure is similar to the smooth endoplasmic reticulum of other types of cell. Muscle Cells 14 Terms. PLAY. Key Concepts: Terms in this set (21) muscle. Learn. Nohacohensolal; Subjects. Tiny projections that originate from the myosin filament are believed to be cross bridges. Organelles of the muscle cell are also named slightly differently: the plasma membrane is called sarcolemma; the cytoplasm is sarcoplasm, and the endoplasmic reticulum is sarcoplasmic reticulum.Skeletal muscle cells have many nuclei along their membrane. STUDY. types of muscles and muscle cell 23 Terms. Muscle fibers are single muscle cells. It involves different functions such as attachment to the skeletal system that provides movement, heat generation and organ protection. alwilson2001. Broadly considered, human muscle—like the muscles of all vertebrates—is often divided into striated muscle, smooth muscle, and cardiac muscle. Match. a small bundle of muscle fibers. Besides them, muscle cells also have a cytoplasm, which is not shown in the cell diagram, because it is a part of all living cells. When grouped together, they work to generate movement of your body and internal organs. Surrounding the nucleus and throughout most of the cytoplasm are the thick (myosin) and thin (actin) filaments. Test. Muscle Cell Structure. Sarcomere 8 Terms. These features also help to spread electrochemical signals quickly from cell to cell so that the heart can beat as a unit. tissue composed of fibers (muscle cells) capable of contracting to effect bodily movement. carrie_johnson231. 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