Skeletal System part 2 Flashcards Preview

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Flashcards in Skeletal System part 2 Deck (93):
1

number of axial bones

80

2

number of skull bones

29

3

Cranium bones

Frontal
Parietal
Temporal
Occipital
Sphenoid
Ethmoid

4

forehead, eyebrows, superior eye orbit

Frontal bone

5

superior and lateral walls of cranium

parietal bones

6

parts of temporal bones

external acoustic meatus
styloid process
zygomatic process
mastoid process
internal acoustic meatus

7

canal that leads to eardrum and middle ear

external acoustic meatus

8

most posterior bone of cranium

occipital bone

9

hole at the base of the skull where spinal cord enters skull

foramen magnum

10

has lesser and greater wing

sphenoid bone

11

anterior to sphenoid

ethmoid bone

12

immobile fibrous connective tissue that unite skull bones

sutures

13

sutures

coronal
sagittal
lambdoid
squamous

14

frontal and parietal

coronal

15

parietal

sagittal

16

occipital and parietal

lambdoid

17

temporal and parietal

squamous

18

mucous membrane; resonance chamber; cavity;maintain lightness of skull

sinuses

19

sinuses

frontal
ethmoid
sphenoid
maxillary

20

unossified fibrous connective tissue membrane-filled space where bone formation is not yet complete; overlapping of skull

fontanel

21

largest fontanel; diamond shape; closes 18 months after birth; between frontal and parital bone

anterior fontanel

22

triangular shape; between parietal and occipital

posterior fontanel

23

irregular-shaped fontanels

mastoid
sphenoidal fontanels

24

no. of vertebral column bones

26

25

pads of flexible fibrocartilage that separate individual vertebrae

intervertebral discs

26

primary curvatures

thoracic and sacral

27

secondary curvatures

cervical and lumbar

28

spinous process, felt when neck is bended

c7

29

atlas; no body; yes

c1

30

axis; no; has odontoid process or dens

c2

31

smallest, lightest vertebrae
bipid spinous process

c3-c7

32

vertebral arteries pass on their way to the brain

transverse foramen

33

each pair of rib is connected to these vertebrae

thoracic vertebrae

34

sturdiest vertebrae

lumbar

35

fusion of 5 bones into 1; forms posterior wall of pelvis

sacrum

36

sacrum has winglike projections

alae

37

4 bones fused into 1; tailbone

coccyx

38

no. of bony thorax bones

25

39

other name of bony thorax

thoracic cage

40

sternum is fusion of 3 flat bones:

manubrium
body/gladiolus
xiphoid process

41

superiormost, clavicle and false rib

manubrium

42

no. of ribs

24

43

attached to sternum by hyaline cartilage (1-7)

true

44

attached indirectly or not at all to sternum (8-10)

false

45

attached to vertebra

Floating (11-12)

46

no. of auditory ossicles

6

47

connected to oval window

stapes

48

connected to tympanic membrane

malleus

49

hardest substance of body

enamel

50

no. of appendicular skeleton

126

51

shoulder or pectoral girdle

clavicle/ collar bone
scapula

52

bones attached to manubrium

first rib
clavicle

53

function of clavicle

brace

54

other name of scapula

shoulder blades

55

wings

scapula

56

a shallow socket that receives the head of the arm bone/ humerus

glenoid cavity

57

type of bone in humerus

long bone

58

in midpoint of the shaft is a rough-ended area where the large, fleshy deltoid muscle, tendons and ligaments of the shoulder attaches

deltoid tuberosity

59

the lateral bone of forearm; in line with thumb

radius

60

medial bone of forearm; in line with middle finger

ulna

61

wrist

carpus

62

proximal row of carpals [medial to lateral]

scaphoid
lunate
triquetrum
pisiform

63

distal row of carpals [medial to lateral]

trapezium
trapezoid
capitate
hamate

64

palm of hand

metacarpals

65

bones of the fingers

phalanges

66

metacarpals are numbered 1-5 from

thumb side

67

metacarpals in each finger

3 (proximal, intermediate, distal}
except thumb

68

other name of coxal bones

ossa coxae

69

pelvic girdle is formed by 2 bones

2 ossa coxae

70

each hip bone is formed by the fusion of three bones

ilium
ischium
pubis

71

forms most of the hip bone

ilium

72

upper edge of alae

iliac crest

73

sit down bone

ischium

74

allows blood vessels and the large sciatic nerve to pass from the pelvis posteriorly into the thigh

greater sciatic notch

75

most anterior part of the coxal bone

pubis or pubic bone

76

an opening that allows blood vessels and nerves to pass into the anterior part of the thigh

obturator foramen

77

fibrocartilage/ cartilaginous joint where pubic bones fuse

pubic symphysis

78

receives head of the thigh bone

acetabulum

79

thigh bone

femur

80

articulate with tibia

lateral condyle

81

shinbone; larger and more medial

tibia

82

thin and stick-like

fibula

83

tarsals

calcaneus
talus
medial cuneiform
lateral cuneiform
intermediate cuneiform
navicular
cuboid

84

joints/articulations by function

synarthroses
amphiarthroses
diarthroses

85

immovable

synarthroses

86

slightly movable

amphiarthroses

87

freely movable

diarthroses

88

joints by structure

fibrous
cartilaginous
synovial

89

fibrous tissu/sutures

fibrous

90

cartilage

cartilaginous

91

synovial fluid

synovial

92

bones that form longitudinal axis of body

axial

93

consists of bones of upper and lower limbs and their girldles

appendicular