Skeleton 1 Flashcards

1
Q

Fontanels

A

The gaps between bones

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2
Q

Types of Fontanels

A
  • frontal
  • occipital
  • sphenoid
  • mastoid
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3
Q

Types of sutures

A
  • coronal
  • lamboidal
  • squamousal
  • sagital
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4
Q

Skull cavities

A
  • cranial
  • orbital
  • nasal
  • oral
  • middle/inner ear
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5
Q

Sinuses

A

Empty space inside a single bone

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6
Q

Type of sinuses

A
  • frontal
  • ethmoid
  • sphenoid
  • maxillary
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7
Q

Function of hyoid bone

A

Serves as attachment point for tongue and several muscles

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8
Q

Parts of skeletal system

A
  • bones
  • joints
  • cartilage
  • ligaments
  • tendons
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9
Q

Functions of skeletal system

A
  • support
  • protection
  • movement
  • blood cell formation
  • storage of salts
  • detoxification
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10
Q

of bones in the human body

A

206

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11
Q

Axial skeleton

A

Head, neck and trunk

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12
Q

Appendicular skeleton

A

Limbs and bones connecting them to axial

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13
Q

Osteoprogenitor

A

Stem cells that make osteoblasts

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14
Q

Osteoblasts

A

Generate new bone matrix

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15
Q

Osteocyte

A

Non-dividing osteoblasts than maintain matrix

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16
Q

Osteoclasts

A

Erodes bone minerals by secreting acids and enzymes

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17
Q

Types of tissue found in bone

A
  • bone
  • cartilage
  • connective tissue
  • blood
  • nervous tissue
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18
Q

How bones are classified

A
  • shape
  • tissue organization
  • bone markings
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19
Q

Types of bone shapes

A
  • long
  • short
  • flat
  • irregular
  • sutural
  • sesamoid
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20
Q

Central canal

A

Opening in center of osteon that carries blood vessels and nerves

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21
Q

Perforating canal

A

Canal perpendicular to the central canal

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22
Q

Lacunae

A

Cavities containing bone cells

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23
Q

Lamella

A

Rings around central canal

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24
Q

Canalicuti

A

Transport system of tiny canals

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25
Q

Marrow is found in

A

Medullary cavitiy

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26
Q

Foramen

A

Opening in bone

27
Q

Sinus

A

Internal cavity in a bone

28
Q

Epiphysis

A

Ends of bones

29
Q

Metaphysis

A

Where epiphysis meets diaphysis

30
Q

Diaphysis

A

Main bone shaft

31
Q

Articular Cartilage

A

Thin layer of hyaline cartilage that covers end of joint

32
Q

Periosteum

A

Membrane covering all of bone

33
Q

Medullary cavity

A

Hollow space in diaphysis

34
Q

Endosteum

A

Membrane lining medullary cavity active in bone growth and repair

35
Q

Epiphyseal plate

A

Allows for growth of long bones

36
Q

Osteoporosis

A

Where osteoclast function is greater than osteoblast

37
Q

Rickets

A

Bowed legs and deformed pelvis due to vitamin D or calcium deffincies

38
Q

Osteoarthritis

A

Degeneration of joints due to wear and tear over time

39
Q

Rheumatoid arthritis

A

Autoimmune attack synovial membranes

40
Q

Osteomyelitis

A

Infection of bone or cartilage

41
Q

Gout

A

Sodium irate crystals in synovial fluid

42
Q

Bursitis

A

Inflammation of bursal sacs around joints

43
Q

Tendinitis

A

Inflammation

44
Q

Achondroplastic dwarfism

A

Mutation that stops long bones from growing

45
Q

Polydactyly / sydactyly

A

Too many / too few fingers or toes

46
Q

When do Fontanels disappear

A

Age of 2

47
Q

Purpose of sinuses

A

Lighten skull and add resonance to voice

48
Q

How many cranial bones

A

8

49
Q

How many facial bones

A

14

50
Q

Number of cervical vertebrae

A

7

51
Q

Number of thoracic vertebrae

A

12

52
Q

Number of lumbar vertebrae

A

5

53
Q

3 parts of the sternum (top to bottom)

A
  • manubrium
  • body (gladiolus)
  • xiphoid process
54
Q

Costal cartilage

A

Cartilage that attaches ribs to the sternum

55
Q

Number of true ribs

A

7

56
Q

Number of false ribs

A

5

57
Q

Number of floating ribs

A

2

58
Q

Total number of pairs of ribs

A

12

59
Q

Total number of vertebrae

A

24

60
Q

Vertebral Foramen

A

Contains the spine

61
Q

Intervertebral Foramen

A

Allows for nerves to leave the spine

62
Q

Where do ribs attach to vertebrae?

A

In the costal facets of the thoracic vertebrae

63
Q

Three ossicles of the inner ear from medial to lateral

A

Stapes
Incus
Malleus