Ch.10 Muscle tissue and Ch 11. muscular system

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60 Terms

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H band

has thick filaments but no thin filaments

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rigor mortis

fixed muscular contraction after death

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glossus

term that means tongue

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transverse process ( cervical vertebrae)

origin of scalene muscles

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Buccinator Muscle

trumpeter muscle

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Masseter Muscle

Strongest jaw muscle

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Triad

One T-tube and two terminal cisternae

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slow fibers

Fibers that contract slowly , have small diameter

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Synergist

a muscle that is a helper or assists in the main muscle in performing its job

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Troponin

A protein that calcium bind to, during muscle contraction

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Risourius Muscle

Laughter muscle

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Titin

Elastic proteins that stabilize thin and thick filaments in a muscle

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Fascicle

A bundle of muscle fibers

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sarcomere

The contractile/ repeating units of a muscle fiber

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Complete Tetanus

Repeating muscle contractions without periods of relaxation

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Radius

The bone that is considered the insertion point of the pronator teres muscle

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ishium

The bone that is considered the origin of the hamstring muscles

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Creatine Phosphate

the storage molecule for excess ATP

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Cori Cycle

The process by which lactic acid is removed and recycled by the liver

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Tropomyosin

The protein that is covered by troponin during muscle relaxation

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Pennate

Muscle fascicles that approach a tendon in a slanted/ oblique fashion

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Subscapularis Muscle

Rotator cuff muscle on the anterior of the scapula

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Humerus

The bone that is considered the insertion point of the rotator cuff muscles

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Aerobic Metabolism

The metabolic process that produces 34 ATPs per glucose molecule

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Tendon

Endomysium, perimysium and epimysium come together to form this connective tissue

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Applied force

On a lever this structure represents a muscle

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convergent

Muscle fascicle that allows fibers to pull in different directions

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Ilium

This bone is considered the origin of the gluteus maximus m. gluteus medius m. and gluteus minimus m

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concentric

This type of contraciton causes the muscle to shorten because the tension is greater than the load

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Maxilla

The bone that is the origin of the inferior oblique muscle of the eye

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Sphenoid

The bone that is the origin of the lateral rectus muscle of the eye

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Oxygen debt

Oxygen required after vigorous exercise to normalize metabolic activities

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fast fibers

Fibers that contract quickly, and have large diameter and large glycogen reserves

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circular

muscle fascicles that are considered sphincters and guard openings in the body

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scalenes

muscles that flex and elevate the ribs

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Extensors of knee

function of quadriceps muscles

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dorsiflextion

function of tibialis anterior muscle

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Superior oblique m. and inferior oblique m.

Muscles of the eye that are eye rollers

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Acetycholine

neurotransmitter produced that allows signal to carry over to another neuron or organ

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sarcoplasmic reticulum/ terminal cisternae

location of storage for calcium ions Ca2+ in a muscle

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perimysium

connective tissue layer that surrounds fascicles

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Anaerobic glycolysis

the mebtaboic process that produces 2 ATPs per glucose molecule

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myosin

protein found on thick filaments

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Actin

protein found in thin filaments

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Elbow

common term for the medical terminology Ancon

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insertion

Term for a moving point of attachment

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origin

Term for a fixed point of attachment

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Rectus

medical terminology for the term straight

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isometric

The type of contraction where the lenght of the muscles stays the same

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Temporal bone ( mastoid process )

this bone is considered the insertion point of the sternocleidomastiod muscle

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femur

This bone is considered the insertion point for the gluteus maximus, gluteus medius and gluteus minimus m.

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capitis

medical terminology for head

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Temporal bone ( Styloid process)

This bone is considered the the origin of the styloglossus muscle

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mandible

this bone is considered the origin of the genioglossus muscle.

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endomysium

Connective tissue layer that covers an individual muscle

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gluteal muscles

Muscles that rotate the leg

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scapula

this bone is considered the origin of the biceps brachii muscle

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calcium

The molecule that binds to troponin during muscle contraction

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Ulna

this bone is considered the insertion point for the triceps brachii muscle

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agonist

A muscle responsible for a particular movement ( main/ prime movement )