muscle tissue - skeletal muscle

Appearance: Long, unbranched fibers with multiple nuclei.
Fibers: Formed by fusion of precursor cells called myoblasts.
- Suffix -blast indicates an immature cell developing into a mature form (myocyte).
Striation:
- Fibers appear striped due to an orderly arrangement of contraction mechanisms.
- Striations run perpendicular to the long axis of the fiber.
Magnification: Observations typically at 1000x magnification reveal fine details.
Nuclei Position: Located against the sarcolemma, which is the plasma membrane of the muscle fiber ("sarco" refers to flesh).
Cell Junctions: No evidence found, confirming identification as skeletal muscle, not cardiac.
Control: Skeletal muscle is voluntary, meaning it is under conscious control.
Other Terminology: Sometimes referred to as somatic muscles ("soma" indicates body wall).
Location:
- Attached to bones.
- Found in the body wall and extremities.
- Surrounds body entrances (e.g., mouth, anus).