General Knowledge
What are two functions of the muscular system?
Movement and generation of heat
What does mean the prefix MY/O?
Muscle
The definition of neuromuscular junction is
a synaptic connection between an axon of a motor neuron and a muscle fiber
Disease that causes the loss of muscle control
Amyotrophic lateral sclerosis (ALS)
What type of filaments I band has?
Thin filaments of Actin
What are the 3 types of Muscular Tissue?
Skeletal, Smooth and Cardiac
What does it mean the prefix MOT?
Move
Sarcoplasm is the
cytoplasm of a muscle cell
Disease that results in smaller and weaker muscles, as well as foot deformities
Charcot Marie Tooth
What type of filament M line has?
Thick filaments of Myosis
The muscle is surrounded by 3 layers called
Epimysium, Perimysium, Endomysium
The meaning of Rhabdomy/o
Skeletal or striated muscle
Sarcomere is the
smallest contractile unit of a muscle fiber
Most common muscular dystrophy
Duchenne muscular dystrophy (DMD)
What happen in the H zone ?
A sarcomere is shortened
What tissue connects muscles to bone?
Tendons
What means the suffix -lemma in sarcolemma?
It means confining membrane. Sarcolemma is the plasma membrane of the muscle cell.
What is a Motor neuron?
a nerve cells responsible for carrying signals away from the nervous system towards muscles to cause movement
Two causes of muscle disorders
Injury and genetic
What regulates intracellular calcium levels?
Sarcoplasmic reticulum (SR)
Where is the origin of a muscle?
It is the muscle's proximal attachment
What does the suffix Tonia means?
Muscle tension
What are myofibrils?
small fibers that make up the muscle fiber
Muscular disorder characterized by widespread musculoskeletal pain accompanied by fatigue
Fibromyalgia
What is the structure responsible for the releasing of calcium in the muscular tissue?
Terminal Cisternae