Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

HLSC120: Human Anatomy > Chapter 7: The Skull > Flashcards

Chapter 7: The Skull Flashcards

1
Q

How many bones does the skull have?

A

22

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How many cranial bones are there

A

8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the cranial bones?

A

-frontal
- parietal(2)
- temporal (2)
- occipital
- sphenoid
- ethmoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How many facial bones are there?

A

14

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the facial bones

A
  • zygomatic bones (2)
  • lacrimal (2)
  • nasal(2)
  • vomer
  • inferior nasal conchae (2)
  • palatine (2)
  • maxillae (2)
  • mandible
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Orbital cavity

A

Eye socket

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Oral cavity

A

Mouth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Nasal cavity

A

Nose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Paranasal sinuses

A

Functions:
- lighten skulls mass
- increase surface area of nasal mucosa to most in and cleanse inhaled air
- serve as (echo) resonating chambers that intensify and prolong sounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Suture

A

Immovable fibrous joint in an adult skull

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Coronal suture

A

Untuned the frontal and parietal bones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Sagittarius suture

A

Unites the two parietal bones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Squamous suture

A

Unite the parietal and temporal bones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Lambdoid suture

A

Unites the two parietal bones to the occipital bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are Fontanells

A

Soft spots
- areas of cartilage and unossified mesenchyme that are arranged in thin plates around the developing brain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Fontanels functions

A
  • flexibility to the fetal skull
  • allow skull to change shape through the birth canal
  • permit rapid growth of the brain
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Where is the frontal bone located

A
  • forms the anterior roof of the cranium ( forehead) , nasal cavity, and orbital arches
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Important features of frontal bone

A
  • squamous part
  • glabella
  • siperciliary arches
  • supraorbital margin
  • zygomatic process
  • frontal crest
  • suborbital foramen
  • frontal sinuses
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Frontal crest

A

Attachment site for meninigies to help stabilize the brain within the skull

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Is the frontal bone paired or unpaired?

A

Unpaired

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Frontal sinuses

A

lighten bone, moisten inhaled air, and give resonance to voice

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Orbital part

A

Forms roof of the orbit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Squamous part

A

Attachment of scalp muscles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Supraobital

A

Forms the protective superior border of orbit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Where is the parietal bone located?

A
  • forms side and roof of cranial cavity
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Features of the parietal bone

A
  • paritetal eminence
  • parietal foramina
  • superior and inferior temporal lines
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Inferior and superior temporal lines

A

Attachment site for temporal is muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Parietal eminence

A

Forms the rounded prominence on each side of the skull

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Is the parietal bone paired or unpaired

A

Paired

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Is the temporal bone pair or unpaired

A

Paired

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Where is the temporal bone located

A
  • forms zygomatic arch
  • forms inferior- lateral part of the cranial floor plus part of the lateral wall near the ear
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

What two processes make up the zygomatic arch

A

Zygomatic process and temporal process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Features of the temporal bone

A
  • mandibular fossa
  • air cells
  • Petronius part
  • styloid process
  • squamous part
  • zygomatic process
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Madibular fossa

A

Articulate with the mandible mastoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Air cells

A

Lighten the mastoid process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Mastoid process

A

Attachment site of some neck muscles to extend or rotate the head

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Petrous portion

A

In the temporal bone
- located at the base of the skull between the sphenoid and occipital bone
Houses the internal ear, internal acoustic meats and groove for the sigmoid sinus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Mastoid portion

A

Temporal bone
Contains the
- external auditory meatus
- mastoid process
- carotid process
- styloid process
- stylomastoid process

39
Q

External auditory meatus

A

Conducts air to the middle ear

40
Q

Carotid canal

A

Internal carotid artery

41
Q

Styloid process

A

Attachment for hyoid and tongue muscles

42
Q

Stylomastoid foramen

A

The passage for the facial nerve and stylomastoid artery

43
Q

Squamous portion of the temporal bone

A
  • zygomatic process
  • temporal process
  • mandibular fossa
  • articulate tubercle
  • mastoid process
  • carotid canal
44
Q

Is the occipital bone paired or unpaired?

A

Unpaired

45
Q

Occipital bone prodominate features

A
  • squamous part
  • basilar part
  • foramen mangnum
  • hypoglossal canal
  • occipital condoles
  • external occipital protuberance
  • jugular notch
  • ligamentum nuchae
  • superior and inferior nuchal line
46
Q

Foramen magnum contains

A

Spinal cord, vertebra,, spinal arteries, and the accessory nerve

47
Q

Occipital condyles

A

First cervical vertebra ( atlas) and Atlanto-occipital joints

48
Q

External occipital protuberance

A

Midline projection

49
Q

Ligamentum nuchae

A

Ligament helps support the head

50
Q

Is the sphenoid bone paired or unpaired

A

Unpaired

51
Q

What shape is the sphenoid bone

A

Butterfly

52
Q

Main features of the sphenoid bone

A
  • body
  • sphenoid turcica
  • sphenoid sinus
  • tuberculin sellae
  • hypophyseal fossa (pituitary gland)
  • Doris. Sallae
53
Q

Body of sphenoid bone

A

Houses sphenoid sinuses

54
Q

Medial and lateral pterygoid plates

A

Attachment site for two muscles of mastication (chewing muscles)

55
Q

Lesser wings

A

Part of the anterior cranial fossa; contains the optic canal

56
Q

Greater wings

A

Form part of middle cranial fossa and orbit

57
Q

Superior orbital fissure

A

For the ophthalmic, trigeminal, ocular, trochlear, and abducens nerves

58
Q

Foramen rotundum

A

Maxillary nerve

59
Q

Foreman ovale

A

Mandibular nerve

60
Q

Foreman spinosum

A

Internal carotid and pharyngeal artery

61
Q

Is the ethmoid bone paired or unpaired?

A

Unpaired

62
Q

What shape is the ethmoid bone?

A

Irregular shaped with numerous paranasal sinuses

63
Q

Ethmoid bone main features

A
  • ethmoidal cells ( becomes ethmoidal sinus)
  • cribiform foramina
  • superior and middle nasal conchae
  • crista galli
64
Q

Cribiform foramina

A

Passes oldfactory nerve

65
Q

Superior and ,idle nasal conchae

A
  • Mucous membranes increases vascular and mucous membrane surface area
  • warms and humidifies air
  • involved in sense of smell
66
Q

Crista galli

A

A point of attachment for the Falx cerebri (brain membrane)

67
Q

Is the zygomatic paired or unpaired

A

Paired

68
Q

Zygomatic bone features

A
  • zygomatic arch
  • maxillary, frontal, and orbital process
  • zygomaticofacial
69
Q

Is the lacrimal paired or unpaired

A

Paired

70
Q

What is the lacrimal bone

A
  • smallest bone of the face
  • forms the anterior portion of the eye socket
71
Q

Feature of the lacrimal bone

A

Lacrimal groove

72
Q

What is the lacrimal groove

A

Honey depression into the maxilla
- passes tears from the eye into the nasal cavity

73
Q

Is the nasal bone paired of unpaired?

A

Paired

74
Q

What does the nasal bone do?

A
  • forms the bridge of the nose
  • supports cartilage
  • supports thin musck3s of facial expression
75
Q

What is a common site for facial injuries

A

Nasal bone

76
Q

Is the vomer bone paired or unpaired?

A

Unpaired

77
Q

Features of the vomer bone

A

Ala
Vertical plate

78
Q

What does the vomer do?

A

Divided the nasal cavity into the left and right
- forms the nasal septum

79
Q

Is the inferior nasal conchae paired or unpaired

A

Paired

80
Q

What does the inferior nasal conchae do?

A

Helps to swirl and filter the air before is passes to the lungs

81
Q

Superior nasal conchae

A

Ethmoid bone
- increases surface area and aids in sense of smell

82
Q

Is the palatine paired or unpaired

A

Paired

83
Q

What does the palatine do?

A

Separates the nasal and orbital cavity

84
Q

Is the maxillae paired or unpaired

A

Paired

85
Q

What are the feature of the maxillae

A
  • Infraorbital margin
  • Orbital surface
  • alveolar process
  • Infraorbital foramen
86
Q

Infraorbital foramen

A

Allows blood vessels, and triennial nerve to pass

87
Q

What does the maxillae do?

A

Fuse at the midline to form the upper jaw

88
Q

Is the mandible paired or unpaired

A

Unpaired

89
Q

What is the only movable facial bone

A

Mandible

90
Q

What are the structural features of the mandible

A
  • body
  • rami
  • angle
  • mental protuberance
  • condylar process
  • consider process
  • mandibular notch
  • mental foramen
91
Q

What bones is the orbit of the eye formed by

A
  • frontal
  • zygomatic
  • sphenoid
  • ethmoid
  • lacrimal
  • maxilla
92
Q

Is the humour bone paired or unpaired?

A

Unpaired

93
Q

What does the hyoid bone do?

A
  • serves as an attachment site for the muscles of the tongue, neck, and pharynx

HLSC120: Human Anatomy (16 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions