Section 1
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bursae
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Last updated
6 years ago
Date created
Mar 14, 2020
Cards (51)
Section 1
(50 cards)
bursae
flattened fibrous sacs lined with synovial membrane and containing a thin film of synovial fluid, eliminates friction between tendon and bone
hinge joint
the cylindrical end of one bone fits into a trough-shaped surface on another
myosin
thick filaments in myofibril
produces movement, maintain posture and body position, stabilizes joints, generates heat.
functions of muscles
abduction
flexion
acetylcholine
a neurotransmitter that stimulates skeletal muscle
smooth
walls of hollow visceral organs
myofibril
tightly packed filament bundles found within skeletal muscle fibers
condylar joint
the egg shaped articular surface of one bone fits into an oval concavity in another
bursitis
inflammation of a bursa
synovial joints
freely movable joints
eversion
skeletal
attached to bones, or skin for facial muscles
articular cartilage
covers the surfaces of the bones forming the joint
arthritis
describes over 100 different inflammatory or degenerative diseases that damage the joints
synovial membrane
lines the capsule and secrete synovial fluid
tendon sheath
an elongated bursa that wraps completely around a tendon subjected to friction
origin
attached to the immovable or less movable bone
sprain
when the ligaments or tendons are damaged by excessive stretching or are torn away from the bone
skeletal
long cells, multinucleate, striations
reduction
the process of returning the bone to its proper position
plantar flexion
supination
cardiac
walls of the heart
reinforcing ligaments
the fibrous layer of the capsule is usually reinforced with ligaments
dislocation
when a bone is forced out of normal position in the joint cavity
plane joint
the articular surfaces are essentially flat, only short slipping or gliding movements are allowed
circumduction
dorsiflexion
pivot joint
he rounded end of one bone fits into a sleeve or ring of bone
pronation
ball and socket joint
the spherical head of one bone fits into the round socket in another
rotation
(1)
smooth
single, uninucleate, no striations
articular capsule
Fibrous envelope that encloses a synovial joint
adduction
lateral rotation
(2)
inversion
cartilaginous joints
allow limited movement
motor unit
a motor neuron and all of the muscle fibers it innervates
insertion
attached to the movable bone
joint cavity
contains synovial fluid
extension
fibrous joints
consists of inflexible layers of dense connective tissue, holds the bones tightly together (No movement)
actin
thin filaments in myofibril
sarcomere
make up the myofibril
cardiac
branching, uninucleate, striations, intercalated discs
medial rotation
(3)
saddle joints
each articular surface has both convex and concave areas
Section 2
(1 card)