1.
2: How many Divisions of cranium?
2.
8: How many Cranial bones?
3.
14: How many Facial bones?
4.
22: Skull is composed of how many bones?
5.
Air cells: Mastoid Consists of a prominent mastoid process that houses ___
6.
Anchor: Sphenoid bone serves as the ___ for all eight cranial bones
7.
Anterior & mastoid fontanels: Ossification completed: End of 2nd year for ___
8.
Asterions :: located behind the ear at the junction of the occipital bone, parietal bone, and mastoids
9.
Atlanto-occipital joint: Occipital condyles is the only two-part articulation between the skull and the cervical spine called the _____
10.
Basilar portion: Portion of Occiptal bone that curves anteriorly & superiorly to join the body of the sphenoid bone, resulting in a continuous bone
11.
Bat with its wings & legs: Sphenoid bone Resembles a ___ extended
12.
Body: Central portion that lies in the midline in the floor of the cranium, which contains two sphenoidal sinuses
13.
Body, Two lesser wings, Two greater wings and Four pterygoid processes: Sphenoid Consists of four (4) primary parts:
14.
Bony nasal septum: Vertical portion of Ethmoid bone is athin, flat bone that projects downward in the midline, forming the ______
15.
Bregma :: anterior end of the sagittal suture that intersects with the coronal suture
16.
Bregma, Lambda, Pterions and Asterions: Suture junctions:
17.
Calvaria (skull cap) and the floor (or base): Cranial division forms the cranial cavity that includes:
18.
Clivus: Posterior to the dorsum sella is a shallow depression called the __ supports the pons (brain stem) & basilar artery
19.
Compact tissue: Cranial vault composed of 2 plates of ___
20.
Coronal Suture:: Separates frontal bone from two parietals
21.
Coronal, Sagittal, Squamosal and Lambdoidal: 4 sutures:
22.
Cribriform plate: Horizontal portion is also called:
23.
Crista galli: Horizontal portion Includes a thick conical process called the ___, which projects superiorly & serves as an anterior attachment for falx cerebri
24.
Diploe: Both plates are separated by an inner layer of spongy tissue called ___
25.
EAM (External Auditory Meatus): Tympanic portion forms the anterior, inferior, & some of the posterior wall of the __
26.
Ethmode bone: Small cubed-shaped bone
27.
Flat: Majority of cranial bones are:
28.
Flat and Irregular: Bone classifications:
29.
Flat and irregular: Skull is classified as what bones?
30.
Fontanels: Infants have 6 areas of incomplete ossification
Membrane-covered openings or soft spots called:
31.
Foramen magnum: Basilar portion that consists of a large aperature called the ___
32.
Foramen rotundum, foramen ovale, and spinosum: ____ these foramina are subject to radiographic evaluation for the detection of erosive lesions
33.
Forehead & superior orbits: Frontal Bone contributes to the formation of the ___
34.
Four Pterygoid processes: (On sphenoid) Project downward from inferior surface of the sphenoid body & form part of the lateral walls of the nasal cavity
35.
Frontal: Singular bone of the cranium
36.
Frontal and Sphenoid: Ethmoid bone articulates with 2 cranial bones:
37.
Glabella: Smooth elevation between the superciliary Arches (eyebrows)
38.
Glabella and nasion: Frontal bone includes two important structural landmarks used for central ray reference points for skull exams
39.
Horizontal portion: Portion of frontal bone that forms roofs of orbits & roof of nasal cavity
40.
Horizontal, vertical and 2 lateral labyrinths: Ethmoid bone consists of four (4) main parts:
41.
IAM (Internal Acoustic Meatus): The center of the petrous portion is the ___an opening that transmits the facial nerves & nerves of hearing & equilibrium
42.
Irregular: Facial and some cranial bones
43.
Lambda :: posterior end of the sagittal suture that intersects with the lambdoidal suture
44.
Lambdoidal Suture:: Separates both parietal bones from the occipital bone
45.
Lies between the orbits: Ethmode bone ____ & forms part of the anterior cranial fossa, nasal cavity, bony nasal septum, & orbital walls
46.
Masses: Two lateral labyrinths also known as:
47.
Mastoid portion: Posterior to EAM, forms the inferior, posterior part of the temporal bone
48.
Medulla oblongata: Basilar portion has Large opening at the base of the occipital bone through which the ___ passes as it exits the brain and joins the spinal cord
49.
Middle fossa of the cranium & a small part of the posterior fossa: Tempral bones form a large portion of the ___
50.
Nasion: Midpoint of the frontonasal suture
51.
Occipital Bone: Forms posterior half of the cranial base and greater portion of the posterior cranial fossa
52.
Occipital condyles: Oval processes that extend anteriorly on each side of the foramen magnum
Articulate with the superior facets of C1
53.
Orbital: Horizontal portion of frontal bone is also called ___
54.
Parietal Bones: Forms lateral sides of the cranium & part of the posterior cranial roof
55.
Parietal eminences (prominent bulge): Parietal bones are the widest part of the skull located between ____
56.
Parietal, occipital, & sphenoid: Tempral bones articulates with three cranial bones -
57.
Perpendicular plate: Vertical portion is also called-
58.
Petrous portion: Thickest and densest cranial bone that Houses organs of hearing & balance
59.
Petrous pyramid: Petrous portion is also called:
60.
Petrous ridge: Upper border of petrous portion is referred as the;
61.
Pituitary gland: Sella turcica partially surrounds & protects the ____
62.
Posterior & sphenoidal fontanels: Ossification completed:End of 1st and 3rd month for __
63.
Pterion: What is known as the site of the antero lateral fontanel?
64.
Pterions :: right & left located on lateral aspect of the skull where the
parietal bone, squamosal suture, and greater wing of the sphenoid meet
65.
Pterygoid hamulus: Two medial pterygoid processes or plates end in an elongated hook-shaped process called the ____
66.
Right & left halves: Parietal Bones are Divided into ___
67.
Right & left parietals: Frontal bone articulates with:
68.
Saggital Suture:: Located midline on top of the head, separates 2 parietal bones
69.
Saucer-shaped: Squama is the ___ (rounded) portion that forms most of the back of the head
70.
Sella turcica: Sphenoid body Includes a deep central depression called the __
71.
Sphenoid bone: Irregularly wedge-shaped bone situated in the base of the cranium anterior to the temporal bone
72.
Squama: Vertical portion of the frontal bone is also called:
73.
Squama: Has a prominent process on its external surface, midway between its summit and the foramen magnum called the inion
74.
Squama, Occipital condyles (2) and Basilar portion: 4 main parts of Occipital Bone:
75.
Squamosal Suture:: Formed by the junctions of the parietal bones and temporal bones
76.
Squamous portion: Thin upper part forming part of the skull wall
77.
Squamous, mastoid, petrous, tympanic and styloid: Temporal bones consist of five (5) main parts:
78.
Styloid process: A slender bony projection below the mandible & anterior to the EAM
79.
Superior & middle nasal conchae: Projecting inferiorly from each medial wall of the labyrinth are two thin scroll shaped processes termed the ____
80.
Sutures: Join the bones of the cranium and face via fibrous joints
81.
Sutures: Adults have ___ (rigid immovable articulations)
82.
TEA (Top of the Ear Attachment): Top of the petrous ridge corresponds to an important external radiography landmark called the ___
83.
Temporal bones: Irregularly shaped bones located on each side of the cranial base between the occipital bone & greater wings of the sphenoid bone
84.
Temporomandibular joint (TMJ): The inferior border of the zygomatic process contain a rounded eminence, the articular tubercle, which forms the mandibular fossa. The mandibular fossa receives the condyle of the mandible to form the ____
85.
Thickness: Diploe varies in ___
86.
Two greater wings: Extend laterally from the sides of the sphenoid body and form part of the cranial floor and sides of the cranium
87.
Two lesser wings: (On sphenoid) Triangular shaped & nearly horizontal wings that project laterally from the upper sphenoid bone and end medially in the anterior clinoid processes
88.
Two parietals, Two temporals, Sphenoid and Atlas (C1): Basilar portion Articulates with six bones:
89.
Tympanic portion: Temporal bone located below the squama and anterior to the petromastoid portion
90.
Vertical and Horizontal: Frontal Bone consists of two main parts:
91.
Vertical portion: Frontal bone part that forms the forehead
92.
Vomer and Mandible: Two facial bomes are classified as single bones:
93.
Zygomatic process: Sqamous includes a prominent arched process called the ____
