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Bones Flashcards

1
Q

How many bones does a baby have?

A

300

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2
Q

Skeletal System

A

consists of around 206 bones in an adult, along with cartilage, joints, and ligaments.

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3
Q

What percentage of the total body mass does the skeletal system account for

A

20% percent of the body mass. However it can vary depending on factors such as age, sex, and overall body composition

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4
Q

2 sections of the human skeleton

A

Axial and Appendicular Bones

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5
Q

Axial Bones

A

Includes skull and torso (vertebral column, and thoracic cage)

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6
Q

Appendicular Bones

A

Limbs

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7
Q

How many bones are present in skull

A

22 bones

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8
Q

Differentiate Cranial Bones and Facial Bones

A

Cranial bones: protect the brain
Facial bones: give structure to the face

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9
Q

What types of bones does the skull mainly consist of?

A

Flat bones

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10
Q

Fibrous joints that connect the bones of the skull

A

Sutures

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11
Q

Cranium consists of:

A

a vault (calvaria) and a base (top-down view)

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12
Q

Three fossae of the base (cranium) that produce the cranial cavity

A

Anterior Cranial Fossa
Middle Cranial Fossa
Posterior Cranial Fossa

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13
Q

House of the brain

A

Cranial cavity

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14
Q

3 other cavities in the skull

A

Orbit, Ear, and Nasal Cavity

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15
Q

8 Cranial Bones

A

Frontal
2 Parietal
2 Temporal
Occipital
Sphenoid
Ethmoid

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16
Q

What are the sutures in brain?

A

Coronal
Sagittal
Lambdoid
Squamous
Occipitomastoid

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17
Q

Connects Frontal and Parietal

A

Coronal Suture

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18
Q

Connects the 2 Parietal

A

Sagittal Suture

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19
Q

Connects Temporal and Occipital

A

Lambdoid Suture

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20
Q

Suture between the occipital bone and the mastoid portion of the temporal bone

A

Occipitomastoid Suture

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21
Q

Paired bilateral cranial suture that connects the temporal and parietal bones

A

Squamous Suture

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22
Q

Holes that nerves, arteries, and veins pass through

A

Foramina

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23
Q

Foramen magnum

A

hole for the spinal cord in the skull that allows the spinal cord to pass through and connect with the brainstem

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24
Q

14 facial bones

A

2 Nasal
2 Lacrimal
2 Inferior Nasal Concha
2 Palatine
2 Maxillary
2 Zygomatic
Mandible
Vomer

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25
A bone that sits below the mandible and is not connected to any other bone
Hyoid
26
Other term for Vertebral column
Spinal column, spine
27
Vertebral column
Bones in the spine that forms S shape to support everything from the skull to the pelvis
28
How many bones are there in spine?
26 irregular bones.
29
5 Sections of the Spine and the bones
7 Cervical Vertebrae (C1-C7) 12 Thoracic Vertebrae (T1-T12) 5 Lumbar Vertebrae (L1-L5) 1 Sacrum (5 fused vertebrae) 1 Coccyx (Tailbone)
30
Major Ligaments in spine
Anterior longitudinal ligament Posterior longitudinal ligament Intervertebral Disc
31
Cushiony pads between vertebrae, made of nucleus pulposus and anulus fibrosus. Acting as shock absorbers
Intervertebral Discs
32
A small opening in each of the bones that make up your spine for spinal cord passage
Vertebral Foramen
33
Protrusion on vertebrae for muscle attachment
Spinous Process
34
Extend laterally from vertebrae for muscle attachment
Transverse Process
35
Individual Vertebra consists of
body and vertebral arch
36
Vertebral Arch is made up of
2 Lamina and 2 Pedicle
37
First seven vertebrae in the neck region
Cervical Vertebrae
38
Middle twelve vertebrae connected to ribs
Thoracic Vertebrae
39
Lower five vertebrae supporting more weight
Lumbar Vertebrae
40
Fused vertebrae below lumbar region
Sacrum
41
Tailbone made of fused tiny vertebrae
Coccyx
42
Comprised of sternum, ribs, and costal cartilage
Thoracic Cage
43
A flat bone right in the middle of thorax
Sternum
44
3 bones of sternum
Manubrium, Body, Xiphoid Process
45
How many pairs of ribs are there?
12
46
True ribs
1-7. Attach directly to the sternum via costal cartilage
47
False ribs
8-10 = Attach indirectly to the sternum via costal cartilage to cartilage from ribs above 11-12 = floating ribs
48
true ribs gets _______ going from 1 to 7, and false ribs going ______ from 8-12
longer, shorter
49
Pectoral girdle is
bones that attaches the upper limbs to the axial bones
50
Pectoral Girdle comprised of
Clavicle Scapula
51
Collarbone with sternal end (connects to manubrium) and acromial ends (connects to scapula)
Clavicle
52
Thin, flat bone with superior, medial, and lateral borders
Scapula
53
Upper limb
Arm, forearm, hand
54
Long bone in the arm with specific parts like trochlea and capitulum
Humerus
55
Forearm consists of?
Radius and Ulna
56
Bone in the forearm with radial tuberosity and styloid process
Radius
57
Bone in the forearm longer than radius, with olecranon and coronoid process
Ulna
58
Connects Radius and Ulna
Interosseous membrane
59
Wrist made of eight short carpals
Carpus
60
Eight short carpals
Scaphoid Lunate Triquetrum Pisiform Trapezium Trapezoid Capitate Hamate
61
Metacarpals
(thumb to pinky) I II III IV V
62
Phalanges
Finger bones, 14 per hand, with distal, middle, proximal phalanges. Thumb has only two; no middle p.
63
Pelvic Girdle
attaches lower limbs to the axial skeleton
64
Hip Bones
Ilium, ischium, and pubis, fused from three separate bones at birth
65
Thigh bone, largest in the body, with parts like greater trochanter and patella
Femur
66
Leg consist of
Fibula and Tibia
67
Tibia
Thicker bone in the leg with features like medial malleolus and tibial tuberosity
68
Fibula
Thinner bone in the leg with head and lateral malleolus
69
Foot are comprised of
Tarsus, Metatarsals
70
Tarsal bones
Talus, Calcaneus, Cuboid, Navicular, Medial Cuneiform, Intermediate Cuneiform, Lateral Cuneiform
71
Metatarsals
I II III IV V
72
Phalanges (toes)
14 per foot, 3 per toes with distal, middle, proximal phalanges. Thumb has only two; no middle p.

Skeletal System (1 decks)

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