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Anatomy & Physiology 1 > Module 7 > Flashcards

Module 7 Flashcards

1
Q

articulation

A

the point of contact between bone, bone and cartilage, or bone and teeth

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2
Q

what is structural classification based on

A

presence or absence of a synovial cavity and the type of CT

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3
Q

what are the 3 types of structural classifications

A

synovial
fibrous
cartilaginous

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4
Q

what is functional classification based on

A

the degree pf movement permitted, from none to freely moveable

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5
Q

synarthroses

A

immovable

skull bones

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6
Q

amphiarthroses

A

partially moveable

intervertebral discs, pelvis

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7
Q

diarthroses

A

fully moveable

hip joint

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8
Q

what are the 3 types of fibrous joints

A

sutures
syndesmoses
gomphoses

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9
Q

suture joints

A

fibrous joint
composed of a thin layer of dense fibrous CT
unites skull bones

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10
Q

syndesmoses joints

A

fibrous joint
more fibrous CT than in a suture joint
has an intraosseous membrane
between ulna and radius

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11
Q

intraosseous membrane

A

a sheet of dense irregular CT joining 2 long bones

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12
Q

gomphosis joint

A

a narrow fibrous joint between the roots of the teeth and the bony socket in the jaw into which the tooth fits

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13
Q

what are the 2 types of cartilaginous joints

A

synchondroses
symphyses

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14
Q

synchondroses joint

A

cartilaginous joint
the connecting material is hyaline cartilage

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15
Q

symphyses joint

A

cartilaginous joint
the connecting material is a disc of fibrocartilage

ex. intervertebral discs, pubic symphysis

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16
Q

synovial joint

A

diarthrosis (freely moving)
has a synovial joint cavity between the articulating bones

17
Q

what covers the bones at synovial joints

A

articulating cartilage
reduces friction during movement
helps to absorb shock

18
Q

articular capsule

A

surrounds the diarthrosis
encloses the synovial cavity
unites the articulating bones

19
Q

what is the articulating capsule composed of

A

2 layers
the outer fibrous capsule that may contain ligaments
inner synovial membrane that secretes a lubricating and joint-nourishing synovial fluid

20
Q

what type of movements are allowed in synovial joints

A

gliding
angular
rotation
special movements

21
Q

elevation

A

upward movement

22
Q

depression

A

downward movement

23
Q

protraction

A

movement anteriorly in the transverse plane

24
Q

retraction

A

movement of protracted part back to anatomical position

25
Q

inversion

A

movement of soles medially at the intertarsal joints so they face each other

26
Q

eversion

A

movement of soles laterally at the intertarsal joints facing away

27
Q

dorsiflexion

A

bending of foot at ankle in direction of superior surface

28
Q

plantar flexion

A

bendingn of foot at ankle in direction of plantar surface

29
Q

pronation

A

movement of forearm at proximal and distal radioulnar joints in which the distal end of the radius crosses over the distal end of the ulna, and the palm is turned posteriorly or inferiorly

30
Q

circumduction

A

shoulder flexion, abduction, extension, aduction

31
Q

what are the 6 subtypes of synovial joints

A

planar
hinge
pivot
ellipsoidal
saddle
ball and socket

32
Q

planar joints

A

mainly side to side and back and forth

33
Q

hinge joints

A

convex surface of one bone fits into a concave surface of another bone

34
Q

pivot joint

A

a round or pointed surface of one bone fits into a ring formed by another bone and a ligament

35
Q

ellipsoidal joint

A

an oval-shaped condyle of one bone fits into an elliptical cavity of another bone

36
Q

saddle joint

A

includes one bone whose articular surface is saddle-shaped and another bone whose articular surface is shaped like a rider sitting in a saddle

37
Q

ball and socket joint

A

the ball shaped surface of one bone fits into the cup like depression of another

38
Q

supination

A

movement of the forearm at the proximal and distal radioulnar joints in which the palm is turned anteriorly or superiorly

Anatomy & Physiology 1 (8 decks)

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