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TV1003 > L3 anatomy- general arthrology > Flashcards

L3 anatomy- general arthrology Flashcards

1
Q

simple joint

A

e.g. scapulo- humeral joint

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2
Q

Hinge joint

A

specil form of condylar joint

(1 axis of movement)

e.g. elbow joint

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3
Q

articular system

A

it forms in association to the skeletal system and muscular system in the form of joints

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4
Q

self- pressurised hydrostatic lubrication

A
  • joint compression
  1. synovial fluid escapes from cartilage
  2. cartilage electrical imbalance increases -> retains water
  3. cartilage hydrostatic pressure increases
  4. fluid load support increases
  5. friction coefficient decreases
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5
Q

cartilaginous joint

A

- has cartilaginous articular interzone - no articular cavity - moderate mobility = amphiarthrosis

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6
Q

synarthrosis

A

immovable

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7
Q

amphiarthrosis

A

slightly moveable

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8
Q

arthrology

A

study of joints

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9
Q

synchondrosis

A
  • primary cartilaginous jont - articular cartilage = hyalin (ossified in time) - e.g. attachment of basiphenoid and bassioccipital
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10
Q

sutura foliate

A
  • one edge fits into a tissue or recess of adjacent bone
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11
Q

symphysis

A
  • articular cartilage = hyalin and fibre- cartilage (not ossified in time) - limited amount of movement - e.g. attachment of vertebral bodies b/t them
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12
Q
A
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13
Q

sellar/ saddle joint

A

(2 axis of movement)

carpus joint (horse)

  • concave fits with convex
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14
Q

sutura squamosa

A

squamosa = scale - edges are beveled and overlapping

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15
Q

Ligament

A
  • connects 2 bones (or cartilage) together
  • C.T. band for the articular system
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16
Q

articular recess

A

extra- articular diverticulum that is generally located where the fibrous membrane is thinner or absent.

  • its accumulation of liquid (dropsy) indicates synovial joint trouble
  1. thin fibrous membrane
  2. secretes EXCESS synovial fluid
  3. fluid pushes onto the synovial membrane
  4. pushes outside the membrane
  5. if palpated; can feel pressure on the joint due to increase in fluid
17
Q

Tribology

A

studies the phenomenon of friction, wear and lubrication b/t 2 systems that are in contact

18
Q

suture

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A

type of fibrous joint… - bones are held together by a thin layer of dense fibrous tissue by interlocking projections - the fibrous tissue is ossified in time e.g. flat bones of the skull

19
Q

diarthroses

A

freely moveable

20
Q

syndesmosis

A

type of fibrous joint - not ossified in time - joint b/t radius and ulna- (fused in horse) - bones held together by a cord or sheet of dense fibrous tissue

21
Q

Lubrication modes

A
  1. self- pressurised hydrostatic lubrication
  2. boundary lubrication
22
Q

sutura plana

A

plana = plane

23
Q

sutura serrata

A

serrata = serrated

24
Q

condylar

A

(1 axis of movement)

condyle: cylindar will fit in cavity
e. g. femoro-tibial joint

25
Q

synovial joint

A
  • freely moveable = diarthroses characteristics: - joint cavity - joint capsule (inner and outer synovial membrane) - synovial fluid - articular cartilage
26
Q

compound joint

A

(3 or more)

e.g. femoro-tibio-patella joint

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27
Q

Pivot joint

A

(1 axis of movement)

e.g. atlantoaxial joint

28
Q

boundary lubrication

A
  • joint compression
  • boundary lubricants protect articular surface
  • hyaluronic acid + escaped water = gel

–> this increases viscosity

29
Q

spheroid joint

A

(3 axis of movement)

e.g. coxofemoral joint

30
Q

locomotor apparatus

A

consists of the movement of the skeletal, articular and muscular systems- they are grouped in accordance to the divisions of the body

31
Q

Tendon

A
  • connects muscle to bone
  • C.T. cord in accordance to the muscular system
32
Q

plane joint

A

with translation only

e.g. sacro-iliac joint

33
Q

fibrous joint

A

joined by fibrous tissue and has a fibrous articular interzone - no articular cartilage - no joint cavity - no mobility - synarthrosis

34
Q

joint

A
  • occurs where bones meet - classified by function - function: give the skeleton mobility and hold it together

TV1003 (9 decks)

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