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BDS2 Anatomy > Skeletal - joint and their movement - Fibrous and cartilaginous > Flashcards

Skeletal - joint and their movement - Fibrous and cartilaginous Flashcards

1
Q

What is the role of joints?

A

trade off between mobility and stability

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2
Q

Why are joints in the skull cap connected?

A

need to join protective sheets of bone = stability paramount

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3
Q

What are the joints like in the vertebral column?

A

need flexibility to bend and twist but cannot risk damaging spinal tissues = combination

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4
Q

What are joints like in the shoulder?

A

need to facilitate wide range of upper limb movement = mobility paramount

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5
Q

What are the 3 joint groups?

A

Fibrous, Cartilagenous and Synovial

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6
Q

Name the 3 fibrous joints

A
  1. Syndesmosis (tibiofibular)
  2. Suture (skull)
  3. Gomphosis (anchor teeth into socket)
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7
Q

Name the 2 cartilaginous joints

A
  1. symphysis (vertebral bodies)
  2. synchondrosis (first rib and sternum)
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8
Q

Name the 6 types of synovial joints

A
  1. condyloid (wrist)
  2. gliding (radioulnar)
  3. hinge or ginglymus (elbow)
  4. ball and socket (hip)
  5. saddle (carpometacarpal of thumb)
  6. pivot (atlantoaxial).
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9
Q

What joint is this an example of?

A

Syndesmosis

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10
Q

What joint is this an example of?

A

suture

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11
Q

Describe a syndesmosis joint

A

Bones are held together by an interosseous ligament. Little movement.

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12
Q

Describe a suture joint

A

a thin layer of fibrous tissue between the bones. Only found in the skull and may become ossified as the individual ages

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13
Q

Describe the movement of fibrous

A

little or no movement

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14
Q

What is the role of fibrous joints?

A

support and protect

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15
Q

Where are fibrous joints found (general)?

A

Fibrous tissue unites the bones

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16
Q

What joint is this an example of?

A

Gomphosis

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17
Q

What is a gomphosis joint?

A

unique fibrous joints that anchor teeth into their sockets

18
Q

Where are fibrous joints located?

A

Peg and socket articulation between the roots of the teeth and the alveolar processes of the maxilla or mandible.

19
Q

What is a gimphosis joint also called?

A

peg and socket joint

20
Q

What is the fibrous connection between the tooth and socket called?

A

periodontal ligament

21
Q

What joint types allow little to no movement?

A

cartilaginous and fibrous

22
Q

What is the epiphyseal plate?

A

The main site of longitudinal growth of the long bones

23
Q

What joint type is shown here?

A

cartilagenous primary

synchondrosis

e.g. epiphyseal plate

24
Q

What is the difference between primary and secondary cartilagenous joints?

A

The primary cartilaginous joint is where two bones are joined by hyaline cartilage and.

The secondary cartilaginous joint is where two bones are joined by fibrocartilage and hyaline cartilage

25
Q

What are primary cartilagenous joints called during developemt?

A

epiphyseal plates

26
Q

What cartilage unites the bone in primary cartilagenous joints?

A

hyaline cartilage

27
Q

What allows no movement between primary cartilagenous joints?

A

hyaline cartilage

28
Q

What is an example in the ribs of a primary cartilagenous joint?

A

Joint between the first rib and the sternum remains

29
Q

What happens to primary cartilagenous joints by 25 years?

A

Most of this joint type ossify by 25 years of age

30
Q

What is the official name of primary cartilagenous joint?

A

synchondrosis

31
Q

What is the official name for a secondary cartilagenous joints?

A

symphysis

32
Q

What joint type is this an example of?

A

symphysis joints

33
Q

What are examples of symphysis joints?

A

inter-vertebral disc
pubic symphysis

34
Q

What age group have a symphysis joint?

A

adults and children

35
Q

Describe the bone in a symphysis joint

A

Each bone has a covering of hyaline cartilage with a disc of fibro-cartilage between them

36
Q

What cartilage is between each disc in a symphysis joint?

A

fibro-cartilage

37
Q

What cartilagenous joint is good for shock-absorption?

A

symphysis / secondary

38
Q

Are symphysis joints permanent joints?

A

YES

39
Q

What is the name of the joint here and what type of joint is is?

A

pubic symphysis

-cartilagenous joints

40
Q

What is the name of the joint here and what type of joint is is?

A

inter-vertebral

symphysis joint

41
Q

What is the name of the joint here and what type of joint is is?

A

epiphyseal plate

synchrondrosis

42
Q

What is an example of a primary cartilaginous joint?

A

The joint between the diaphysis and epiphysis of a growing long bone - epiphyseal growth plate.

BDS2 Anatomy (32 decks)

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