Flashcards in Arthrology of the Anterior Thorax and The Head (The Skull and Cranial Fossae) Deck (43)
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1
What is the joint classification of the costochondral joint?
Cartilagenous (amphiarthrosis) synchondrosis
2
What ligaments are present at the first sternocostal or sternochondral joint?
No ligaments are present
3
What is the classification of the second-seventh sternocostal or sternochondral joint?
Synovial plane (diarthrosis arthrodia)
4
Which of the sternocostal or sternochondral ligaments is unique to the second sternocostal or sternochondral joint?
The intra-articular ligament
5
What is the classification of the sixth through the ninth interchondral joints?
Synovial plane (diarthrosis arthrodia)
6
What is the classification of the fifth-sixth or ninth-tenth interchondral joint?
Fibrous (amphiarthrosis) syndesmosis
7
What is the appearance of the intersection of the coronal and sagittal sutures called?
The bregma
8
What is the appearance of the intersection of the lambdoid and sagittal sutures called?
The lambda
9
What is the diamond shaped remnant of developing membrane bone at the intersection of the frontal bone with both parietal bones?
The anterior fontanelle
10
What is the diamond shaped remnant of developing membrane bone at the intersection of the occipital bone with both parietal bones?
The posterior fontanelle
11
What is the glabella?
The elevation of bone over the frontal sinus between the orits
12
What is the name given to the outline of the nasal cavity at the front of the skull?
Piriform aperture
13
What is the name given to the alveolar jugum of the canine tooth in the maxilla?
Canine eminence
14
What forms a bullet-like chin?
A large mental protuberance
15
What forms an indented chin?
Well developed bilateral mental tubercles and a slight mental protuberance
16
What is the tip of the external occipital protuberance called?
The inion
17
What is the name of the linear elevation lateral to the external occipital protuberance?
Superior nuchal line
18
What is the appearance of suture intersections just above the zygomatic arch called?
The pterion
19
What is the appearance of suture intersections just above the mastoid process called?
The asterion
20
What points on the skull are used to measure the skull size?
The nasion, vertex, inion, and gnathion
21
What points on the skull are used to measure cranial vault capacity?
The nasion, vertex, and inion
22
What is the appearance of the suture intersections over the hard palate called?
The cruciate or cruciform suture
23
What is the posterior boundary of the anterior cranial fossa?
A line drawn along the lesser wing of the sphenoid, anterior clinoid processes, and sphenoidal jugum
24
What passes through the cribriform plate?
Fila olfactoria of cranial nerve I, the olfactory nerve
25
An emissary vein leaves the anterior cranial fossa via what opening?
Foramen cecum
26
What is the posterior boundary of the middle cranial fossa?
Superior border of petrous part of temporal bone, posterior clinoid processes and dorsum sella of sphenoid bone
27
What are the parts of the sella turcica?
Anterior clinoid processes, sphenoidal jugum, posterior clinoid processes, dorsum sella, and hypophysial fossa of sphenoid bone
28
What forms the roof of the sella turcica?
Diaphragma sella
29
What are the contents of the optic canal?
The optic nerve and ophthalmic artery
30
