Myofibril

A cylindrical bundle of contractile proteins (actin and myosin) running the length of a muscle fiber. Each muscle cell (fiber) contains hundreds of parallel myofibrils, which in turn contain thousands of sarcomeres in series.

Categoria: Muscular System

Perguntas frequentes

Understanding the term "Myofibril" is essential for studying human anatomy because it provides precise language for describing body structures, their positions, and their relationships. Standardized anatomical terminology ensures clear communication among healthcare professionals, researchers, and students worldwide.

This information is for educational purposes only. It is not intended as medical advice. Consult a healthcare professional for medical concerns.

Related Terms

Agonist The primary muscle responsible for producing a specific movement; also … Antagonist A muscle that opposes or reverses the action of an … Circular Muscle A muscle whose fibers are arranged in concentric rings around … Concentric Contraction A muscle contraction in which the muscle shortens while under … Eccentric Contraction A muscle contraction in which the muscle lengthens while under … Fixator A muscle that stabilizes the origin of an agonist by … Fusiform Describing a spindle-shaped muscle with fibers running parallel to the … Prime Mover The muscle primarily responsible for a specific action at a …