Lecture 4: Skull Flashcards Preview

Year 1: 05. Neuro Exam 1 > Lecture 4: Skull > Flashcards

Flashcards in Lecture 4: Skull Deck (36)
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1

What are the paired cranial bones?

Temporal

Parietal

2

What are the unpaired cranial bones?

Frontal

Occipital

Sphenoid

Ethmoid

3

What are the paired facial bones?

Zygomatic

Lacrimal

Nasal

Palatine

Maxillae

Inferior Nasal Conchae

4

What are the unpaired facial bones?

Vomer

Mandible

5

What is the clinical significance of the Pterion landmark on the skull?

Middle Meningeal A. lies just deep to it, can rupture if there is a blow to the side of the head

6

What is a metopic suture? 

Incomplete fusion of the frontal bones in the saggital plane

-can cause clept lip or palate

7

Why would bone flaps be created during surgery?

Incorporating as much overlying tissue with the bone allows periosteium to heal the best

Can be skin, muscle, fascia, etc. 

8

What 2 bones meet at the coronal suture?

Frontal bone and Parietal bone

9

What 2 bones meet at the saggital suture?

Both parietal bone

10

What 2 bones meet at the Lambdoid suture?

Occipital bone and Parietal bone

11

What 2 bones meet at the Squamosal suture?

Temporal bone and parietal bone

12

What articulates with each other when nodding your head yes?

Atlas and the Occipital Condyles

13

What structure is found in the sella turcica?

Pituitary Gland

Clinical Significance: Tumor of pituitary gland can damage optic nerve and cause blindness

14

What cranial bone contains the foramen rotundum, foramen ovale, and foramen spinosum?

Sphenoid Bone

15

What blood vessel is transmitted through the foramen spinosum?

Middle Meningeal A.

16

What cranial bone does the pterygoid canal run through?

Sphenoid B.

17

What is the attachment for the Falx Cerebri in the Ethmoid bone?

Crista Galli

18

What bone is the cribiform plate located in?

Ethmoid Bone

19

What bone forms the superior portion of the Nasal Septum?

Perpendicular plate of Ethmoid bone

20

What bone forms the inferior portion of the Nasal Septum?

Vomer Bone

21

What part of the Vomer B. articulates with the Sphenoid B.?

Ala

22

What bone is part of the orbit, nasal cavity, and hard palate?

Palatine Bone

23

Cleft lip is a failure of what bones to fuse?

Palatine and Maxilla

24

What structure in the maxilla separates the hard palate from the anterior nasal spine?

Incisive foramen

25

What is the largest paranasal sinus in the skull?

Maxillary Sinus

26

What does a Le Fort I fracture involve?

Fracture of the alveolar process of maxilla

27

What does a Le Fort II fracture involve?

Fracture of maxilla partially through the orbit and at the zygomaxillary suture

28

What does a Le Fort III fracture involve?

Fracture dislocating upper face from the cranium (through the orbit)

29

What bones comprise the nasal complex?

Frontal B.

Ethmoid B.

Sphenoid B. (Superior and middle nasal conchae)

Horizontal plate of palatine B.

Maxilla

Inferior nasal concha B.

Lacrimal B.

Nasal B.

30

What bones form the roof of the orbit?

Lesser wing of sphenoid B.

Frontal B.