Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Bio 201 Lab > Axial Skeleton > Flashcards

Axial Skeleton Flashcards

1
Q

Parietal bone

A

Paired; forms the superior & lateral aspects of the cranial cavity; held together by the sagittal suture

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

Temporal bone

A

Paired; helps form the floor of the cranial cavity

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

Zygomatic process

A

Articulates with the temporal process of the zygomatic bones helps form zygomatic arch

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

Styloid process

A

Anchors various muscles & ligaments

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

Mastoid process

A

Prominent lump behind the ear that can be palpated; anchors various muscles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

External auditory meatus

A

Opening on the lateral aspect which funnels sound waves

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

Internal auditory meatus

A

Passageway from the bony labyrinth of the inner ear to the cranial vault

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

Mandibular fossa

A

Articulates with the mandibular condoles to form the temporomandibular joints

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

Frontal bone

A

Unpaired; forms the superior margin of the orbit & the anterior/superior aspect of cranial clarity; contains the frontal sinus

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

Supraorbital foramen/notches

A

Allows for the passage of blood vessels & nerves

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

Occipital bone

A

Unpaired; forms the base of the skull

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

Occipital condyles

A

Articulate with the lateral masses of the atlas (C1)

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

Foramen magnum

A

Allows the brain stem/spinal cord to exit the skull

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

Sphenoid bone

A

Unpaired; helps form the posterior margin of the orbit & the floor of the cranial cavity

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

Sella turcica

A

Contains a deep pit (hypophyseal fossa) which houses the pituitary gland

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

Greater wing

A

Forms part of the lateral surface of the cranium just anterior to the temporal bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Lesser wing

A

Forms the posterior wall of the orbit & contains the optic canal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Ethmoid bone

A

Unpaired; helps form the medial walls of the orbit, roof/walls of the nasal cavity, & the superior part of the nasal septum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Cribriform plate

A

Form the roof of the nasal cavity allowing various olfactory nerves to pass through

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

Crista galli

A

Small crest that anchors protective layer of the brain

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

Perpendicular plate

A

Bony projection that forms the superior 2/3 of the nasal septum

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

Superior & Middle Conchae

A

Curled, bony projections which help increase surface area in the nasal cavity

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

Maxilla bone

A

Paired; helps form the orbit, nasal cavity, and oral cavity

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

Zygomatic bone

A

Paired; cheek bones, form the lateral aspect and help form the floor of the orbit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Temporal process
Articulates with the zygomatic process of the temporal bone, helps form the zygomatic arch
26
Lacrimal bone
Paired; help form the medial wall of the orbit, smallest bones of the skull
27
Fossa for lacrimal sac
Houses the lacrimal sac
28
Nasal bone
Paired; small rectangular bones that form the bridge of the nose and support the cartilages that shape its lower portion
29
Inferior nasal conchae
Paired; largest of the nasal conchae
30
Palatine bone
Paired; forms the posterior 1/3 of the palate, helps form the nasal cavity, forms a small section of the posterior floor of orbit
31
Mandible
Unpaired; supports the lower teeth and provides attachment points for chewing muscles, contains the mental Foramen
32
Mandibular condyles
Oval knobs that articulate with the temporal bone
33
Coronoid process
Attachment point for temporalis muscle
34
Ramus
The posterior arms of the mandible that angle upward
35
Vomer bone
Unpaired; forms the inferior 1/3 of the nasal septum (resembles a plow blade)
36
Sternum
Bony plate anterior to the heart that contains the manubrium, body, and xiphoid process
37
Manubrium
Broad superior portion of the sternum shaped like the knot of a necktie
38
Body
The longest part of the sternum
39
Xiphoid process
Small and pointed; provides attachment for some of the abdominal muscles
40
Ribs
12 pairs; 1-7 are true ribs, 8-12 are false ribs
41
Head of ribs
Attaches to the thoracic vertebrae
42
Body/shaft of ribs
Sloping flattened portion
43
Costal groove
Sharp portion on the inferior margin
44
True ribs
Directly attach to the sternum; 1-7
45
False ribs
Attach to the superior rib; 8-12
46
Floating ribs
No attachment; 11 & 12
47
Coronal suture
Serrate suture that follows the coronal/frontal plane; acts as a joining point of the frontal bone and parietal bones
48
Sagittal suture
Serrate suture following the Sagittal plane; acts as a joining point between the parietal bones
49
Lambdoid suture
Serrate suture which acts as a joining point between the occipital bone and the parietal bones
50
Squamous suture
A lap suture that acts as a joining point between the temporal bone and the parietal bone
51
Hyoid bone
Free floating bone in the neck that is anchored by the larynx and attaches to various muscles
52
Foramen magnum
Allows the spinal cord to exit the skull; located in occipital bone
53
Optic Foramen/canal
Allows passage of optic nerve; located in sphenoid bone
54
Jugular Foramen
Allows the passage of the internal jugular veins; located in temporal-occipital region
55
Carotid canal
Allows the passage of the internal carotid arteries; located in the temporal bone
56
Superior & Inferior Articular Facets
Limit turning movements of the vertebral column which may damage the spinal cord
57
Superior orbital fissures
Narrow openings at each orbit that transmit blood vessels and nerves
58
Inferior orbital fissures
Narrow openings below each superior orbital fissure for blood vessels and nerves
59
Mental foramina
Two openings on the anterior surface of the mandible
60
Cervical vertebrae
C1-C7; support the head and allow its movement
61
Thoracic vertebrae
T1-T12; 12 vertebrae that articulate with the 12 airs of ribs, being the point of attachments for them; resembles a giraffe head
62
Lumbar vertebrae
L1-L5; thick, stout body and blunt square-like processes; resists twisting of the lower spine; resemble a moose head
63
Sacrum
S1-S5; articulates with the os coxa (pelvis)
64
Coccyx
Co1-Co4; inferior to the sacrum, the “tailbone”
65
Vertebral Foramen
Large Foramen formed by the vertebral arch and the posterior portion of the vertebral body
66
Intervertebral Foramen
Foramen formed by the superior and inferior portions of the pedicles
67
Transverse Foramen
Unique to cervical vertebrae; allows passage of blood vessels
68
Spinous process
Extends posterior and downward; can be palpated
69
Transverse process
Extend laterally from the neural arch
70
Superior & Inferior Articular Facets
Limit turning movements of the vertebral column which may damage the spinal cord
71
Pedicle
Pillar-like structure originating on the body
72
Lamina
Plate-like structure which forms the rounded arch
73
Atlas (C1)
Has lateral masses that articulate with the occipital condyles of the skull; rotates on the dens of the axis; lacks a body
74
Axis (C2)
Allows rotation of the head via the dens, which is unique to the axis
75
Dens
Bony feature of the axis that extends superiorly into the vertebral Foramen of the atlas
76
Lateral masses
Bony features of the atlas that articulate superiorly with the occipital condyles of the skull and inferiorly with the axis
77
Atlanta-axial joint
Between the atlas and axis
78
Atlanto-occipital joint
Between the atlas and the occipital bone
79
Intervertebral joint
Between the vertebrae
80
Vertebrocostal joint
Between the vertebrae and ribs
81
Sternoclavicular joint
Between the sternum and clavicle (collar bone)
82
Sternocostal
Between the sternum and ribs

Bio 201 Lab (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions