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Anatomy Lec > Skeletal system part 2 > Flashcards

Skeletal system part 2 Flashcards

1
Q

Hollow portions of bones surrounding the nasal cavity

A

Paranasal Sinuses

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2
Q

Lighten the skull
Give resonance and amplification to voice

A

paranasal sinuses

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3
Q

only bone that does not articulate with another bone.
Serves as a moveable base for the tongue

A

Hyoid Bone

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4
Q

large compared to the infants total body length

A

fetal skull

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5
Q

fibrous membranes connecting the cranial bones. It Allow the brain to grow

A

Fontanelles

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6
Q

The Fontanelles Convert to bone within ___ months after birth

A

24

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7
Q

The largest fontanel is the diamond shaped

A

anterior fontanel

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8
Q

gradually converted to bone during the early part of infancy and can no longer be felt by 22 to 24 months after birth

A

Fontanelles

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9
Q

It is separated by intervertebral discs

A

Vertebrae

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10
Q

The _____ has a normal curvature

A

spine

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11
Q

Lower part of your pelvis that’s sometimes referred to as your sit bones.

A

ischial tuberosity

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12
Q

The spinal curvatures in the ________ & ___________ are referred to as primary curvatures because they are present when we are born.

A

Thoracic and sacral regions

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13
Q

together the two primary curvatures produce the _ shaped spine of the new born baby

A

C

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14
Q

The curvatures in the ___________ & __________ are referred to as secondary curvatures because they develop sometime after birth.

A

cervical and lumbar region

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15
Q

The _________ curvature appears when a baby begins to raise its head,

A

cervical

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16
Q

The ______ curvature develops when the baby begins to walk

A

Lumbar

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17
Q

a sideways curvature of the spine that most often is diagnosed in adolescents

A

Scoliosis

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18
Q

an exaggerated, forward rounding of the upper back.

A

Kyphosis

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19
Q

the inward curve of the lumbar spine (just above the buttocks)

A

Lordosis

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20
Q

In the Cervical vertebrae, the ______ C1 has no body

A

atlas

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21
Q

In the Cervical vertebrae, the _____ (C2) acts as a pivot for the rotation of the atlas

A

Axis

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22
Q

The typical cervical vertebrae ________________ are the smallest, lightest vertebrae

A

(C3 through C7)

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23
Q

In the Cervical vertebrae, C1 and C2 are form the

A

Neck Region of the spine

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24
Q

The only vertebrae to articulate with the ribs

A

Thoracic Vertebrae

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25
Q

The Thoracic Vertebrae is composed of

A

12 bones

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26
Q

The Cervical Vertebrae is composed of

A

7 bones

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27
Q

Most of the stress on the vertebral column occurs in that region , these are the sturdiest of the vertebrae

A

Lumbar Vertebrae

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28
Q

The Lumbar Vertebrae is composed of

A

5 bones

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29
Q

It is Formed by the fusion of the 5 vertebrae

A

Sacrum

30
Q

It Is the human tail bone
It is formed from the fusion of three to five tiny, irregularly shaped vertebrae

A

Coccyx

31
Q

the first seven pairs (1 to 7) attach directly to the sternum by costal cartilages

A

True ribs (vertebrosternal ribs)

32
Q

are connected to the sternum via individual costal cartilages that join together and attach collectively to the costal cartilage (vertebrochondral ribs)

A

False ribs, pairs,( 8th to 10th)

33
Q

They still are false ribs
They are not attach to the sternum at all.
Instead their small costal cartilages terminate within the musculature of the lateral abdominal wall

A

Floating ribs (11 – 12)

34
Q

Floating ribs are also known as

A

vertebral ribs

35
Q

Ribs articulate ____________ with the T1- T12 thoracic vertebrae, and most attach anteriorly via the costal cartilages to the sternum

A

posteriorly

36
Q

Is a hollow space surrounded by the rib cage and the diaphragm that contains the heart, lungs, esophagus, thymus, sympathetic trunk, and the great vessels

A

Thoracic Cavity

37
Q

specialized accessory glands of the skin that secrete milk
They are situated in the pectoral region and their blood supply and lymphatic drainage are largely related to the armpit or axillary lymph nodes.
They lies in the superficial fascia covering the anterior chest wall

A

Breast

38
Q

an extension of the mammary gland continues upward and laterally , pierces the deep fascia at the lower border of the pectoralis major muscle and enters the axilla.

It enlarges and assumes its hemispherical shape in females after puberty under the influence of the ovarian hormones.

A

Axillary tail

39
Q

3 parts of Appendicular Skeleton

A

Limbs (appendages)
Pectoral girdle
Pelvic girdle

40
Q

composed of 126 bones of the limbs (appendages), pectoral and the pelvic girdles which attach the limbs to the axial skeleton

A

Appendicular Skeleton

41
Q

These bones allow the upper limb to have exceptionally free movement

A

Pectoral (Shoulder) Girdle

42
Q

the Pectoral (Shoulder) Girdle is composed of 2 bones which are

A

Clavicle and scapula

43
Q

Also known as the collarbone

A

Clavicle

44
Q

Also known as the shoulder blade

A

Scapula

45
Q

a slender, doubly curved bone. It attaches to the manubrium of the sternum medially and to the scapula laterally

A

Clavicle

46
Q

are triangular in shaped and are called commonly as wings because they flare when we move our arms posteriorly

A

scapulae or shoulder blades

47
Q

Each shoulder girdle attaches to the axial skeleton at only one point the __________ joint

A

sternoclavicular

48
Q

The scapulae or shoulder blades are triangular in shaped and are called commonly as ______

A

Wings

49
Q

The arm is formed by a single bone

A

Humerus

50
Q

__________ separate bones form the skeletal framework of each upper limb
They formed the foundations of the arm, forearm and hand

A

Thirty

51
Q

formed by a single bone the humerus which is a typical long bone

A

Arm

52
Q

Two bones the radius and the ulna form the skeleton of the forearm
When the body is in an anatomical position the radius is the lateral bone that it is on the thumb side of the forearm

A

Forearm

53
Q

The forearm is composed of two bones which are

A

radius and ulna

54
Q

When the body is in an anatomical position the radius is the ________ bone that it is on the thumb side of the forearm

A

lateral

55
Q

When the upper limb is in the anatomical position, the ulna is the _________ bone on the little finger side of the forearm

A

medial

56
Q

Both the ulna and the radius have a __________________ at their distal end

A

styloid process

57
Q

The wrist is composed of ___ bones

A

8

58
Q

The palm is composed of ___ bones

A

5

59
Q

The fingers are composed of ___ bones

A

14

60
Q

The wrist bones are called

A

Carpals

61
Q

The palm bones are called

A

Metacarpels

62
Q

The finger bones are called

A

Phalanges

63
Q

There are 8 carpal bones arranged in two irregular rows of four bones each, form the part of the hand called the _______ or more commonly the wrist.

A

carpus

64
Q

the 8 carpal bones

A

Hamate trapezium
Pisiform trapezoid
Triquetrum scaphoid
Lunate capitate

65
Q

The total weight of the upper body rests on the _______

A

pelvis

66
Q

Are also known as Hip bones

A

Coxal bones

67
Q

Each hip bone (coxal bone) is formed by the fusion of three bones:

A

Ilium
Ischium
Pubic bone

68
Q

The pelvic girdle Protects several organs

A

Reproductive organs
Urinary bladder
Part of the large intestine

69
Q

a large, flaring bone that forms most of the hip bone

A

Ilium

70
Q

the “sit down” bone because it forms the most inferior part of the coxal bone

A

Ischium

71
Q

the most anterior part of the coxal bone

A

pubis or pubic bone

Anatomy Lec (18 decks)

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