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How are myotubes formed during muscle development?
Myotubes are formed during muscle development through a process called myogenesis. Myogenesis is the formation of muscle tissue from precursor cells called myoblasts. These myoblasts fuse together to form long, multinucleated cells called myotubes, which eventually mature into muscle fibers. This process is regulated by various signaling molecules and transcription factors that control the differentiation and fusion of myoblasts into myotubes.
What are the key differences between myoblasts and myocytes in terms of their structure and function?
Myoblasts are immature muscle cells that can divide and differentiate into myocytes, which are mature muscle cells. Myoblasts have a single nucleus and are responsible for muscle growth and repair, while myocytes are multinucleated and are responsible for muscle contraction. Myoblasts also have a higher capacity for cell division compared to myocytes.
What are mature bone cells called?
Mature bone cells are called osteocytes. These cells are responsible for maintaining bone tissue and regulating mineral content.
2 cell populations that do not divide?
Skeletal muscle, cardiac muscle and mature neurons.
What is a mature female turkey called?
A mature female turkey is called a hen.
What is a mature human egg called?
a mature human egg is called an ova
What is the term for a mature female goose?
A mature female goose is called either a hen or a goose. A mature male is called a gander.
How are muscle cells formed by stem cells?
In postnatal muscle, skeletal muscle precursors (myoblasts) can be derived from satellite cells (reserve cells located on the surface of mature myofibers) or from cells lying beyond the myofiber, e.g., interstitial connective tissue or bone marrow. Both of these classes of cells may have stem cell properties. In addition, the heretical idea that postmitotic myonuclei lying within mature myofibers might be able to re-form myoblasts or stem cells is examined and related to recent observations for similar post-mitotic cardiomyocytes. In adult hearts (which previously were not considered capable of repair), the role of replicating endogenous cardiomyocytes and the recruitment of other (stem) cells into cardiomyocytes for new cardiac muscle formation has recently attracted much attention. The relative contribution of these various sources of precursor cells in postnatal muscles and the factors that may enhance stem cell participation in the formation of new skeletal and cardiac muscle in vivo are the focus of this review. We concluded that, although many endogenous cell types can be converted to skeletal muscle, the contribution of non-myogenic cells to the formation of new postnatal skeletal muscle in vivo appears to be negligible. Whether the recruitment of such cells to the myogenic lineage can be significantly enhanced by specific inducers and the appropriate microenvironment is a current topic of intense interest. However, dermal fibroblasts appear promising as a realistic alternative source of exogenous myoblasts for transplantation purposes. For heart muscle, experiments showing the participation of bone marrow-derived stem cells and endothelial cells in the repair of damaged cardiac muscle are encouraging.
Are muscle cells non dividing?
Muscle cells, specifically skeletal muscle fibers, are generally considered non-dividing in their mature state. They are formed from the fusion of myoblasts during development, resulting in multinucleated cells that do not divide. However, satellite cells, which are a type of stem cell associated with muscle tissue, can divide and contribute to muscle repair and regeneration under certain conditions. Cardiac muscle cells also have limited regenerative capacity, but they primarily remain non-dividing in adults.
What is a mature female horse called?
A mature female horse is called a mare.A mare.
What is a mature male lamb?
A mature male sheep is called a ram.
What is the mature female of a swine?
Mature female pigs are called sows.
