Page 119 - 84 human physiolofy part-1

The Muscular System

Glossary

Actin
A protien that forms a long polymer rods called microfilaments; Interacts with myosin to cause
movement in muscles.

ATP
"Adenosine Triphosphate" is a nucleotide that comes from adenosine that takes place in muscle
tissue: This provides a large source of energy for cellular reactions.

Cardiac muscle
is also an "involuntary muscle" but it's a specialized kind of muscle found only within the heart.

Clostridium botulinum
A pathogen that causes botulism, gram stain positive, morphology is rod shaped, grows in
anaerobic conditions, and produces spores.

Clostridium tetani
A pathogen that causes lock jaw, gram stain positive, morphology is tennis racket shaped rod,
grows in anaerobic conditions, and produces spores.

Cori cycle
In anaerobic conditions produces lactic acid.

Cramp
A localized muscle spasm that happens after strenuous activity.

Glycogen
Glucose that has been converted for energy storage. Muscles store energy for their own use in
this form.

Lactic acid
Causes muscle fatigue.

Muscle
Contractile tissue that is derived from the mesodermal layer of embryonic germ cells.

Muscular Dystrophy
A hereditary disease characterized by progressive atrophy of muscle fibers

Myosin
The fibrous motor protein that uses ATP to drive movements along actin filaments.

Sarcoplasmic Reticulum
Smooth-surfaced tubules forming a plexus around each myofibril that function as a storage and
release area for calcium ions (CA+2).

Skeletal muscle
this "voluntary muscle" is anchored by tendons to the bone and is used to affect skeletal

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