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anatomy I muscles
terms and other notes
25
Veterinary Medicine
Professional
09/05/2011

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Cards

Term
extension
Definition
decreasing the extensor angle of a joint
Term
flexion
Definition
decreasing the flexor angle of a joint
Term
rotation
Definition
movement around the axis
Term
abduction
Definition
remove from body mass
Term
adduction
Definition
draw toward body mass
Term
circumduction
Definition
move in a circle (wax on, wax off)
Term
fixation
Definition
stopping another muscle, or holding a joint into postion
Term
prime mover / agonist
Definition
the subject of a question about a joint/limb
Term
synergist
Definition
muscle that does the same as the prime mover
Term
antagonist
Definition
muscle that does the opposite of the prime mover, creating "drag"
Term
fixator
Definition
stops the action of a prime mover
Term
bursa
Definition
synovial fluid filled sack for cushioning.
Term
tendon sheath
Definition
wraps around bones acting as cushion, allows movement at the joint
Term
retinaculum
Definition
holds the tendon in, prevents too much movement.
Term
sesamoid bone
Definition
acts like a ball bearing to reduce friction
Term
muscle belly
Definition
contractile portion of the muscle. shortens and relaxes (does not lengthen)
Term
endomysium
Definition
surrounds individual muscle fibers
Term
perimysium
Definition
divides muscle fibers into groups
Term
epimysium
Definition
surrounds entire muscle
Term
tendon
Definition
cordlike extension from muscle belly: attach to short prominences, points on the bone
Term
aponeurosis
Definition
flat, sheet-like connective tissue: attach to long, flat portions of bone
Term
fleshy attachment
Definition
attaches directly to periosteum
Term
extrinsic muscle
Definition
attaches to limb and also to a separate part of the body
Term
carotid sheath
Definition

artery: common carotid

nerve: vagosympathetic trunk

vein: internal jugular

lymphatic: trachial lymphatic trunk

between omotransversarius and sternothyroideus 

 

Term
jugular furrow
Definition

dorsal boundary: brachiocephalicus

ventral boundary: sternocephalicus

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