Session 1: Cranium, Meninges and Brain Flashcards Preview

Y2 LCRS 2 - HNS Anatomy - Laz > Session 1: Cranium, Meninges and Brain > Flashcards

Flashcards in Session 1: Cranium, Meninges and Brain Deck (59)
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1

What is another name for the facial skeleton?

Visceroskeleton

2

What are the two parts of the cranium?

Vault and Base

3

Name all the cranial bones.

Frontal, Parietal, Temporal, Occipital, Sphenoid, Ethmoid

4

Name all the facial bones.

Mandible, Maxilla, Zygomatic, Nasal, Lacrimal, Inferior Nasal Concha, Vomer, Palatine

5

What are the gaps between the bones in the skull during development called?

Fontanelles

6

What is the shape of the sphenoid bone and what its two parts?

Butterfly shaped – it has a greater and lesser wing

7

Which bone has the upper teeth attached to it?

Maxilla

8

What is another name for the conchae and what is their role?

Turbinate Bones – they increase the surface area of the upper respiratory tract

9

What are the tough fibrous joints between bones in the skull called?

Sutures

10

Give an example of a synovial joint within the skull.

Temporo-mandibular Joint

11

Give the names of the sutures between a) frontal and parietal bones, b) parietal bones and c) parietal and occipital bone.

Coronal Suture
Sagittal Suture
Lambdoid Suture

12

What is the name given to the point at which the sagittal suture meets the coronal suture?

Bregma

13

What is the name given to the point at which the sagittal suture meets the lambdoid suture?

Lambda

14

What are the three parts of the ethmoid bone?

Orbital Plate
Middle Nasal Concha
Perpendicular Plate

15

What is the name of the hole in the mandible through which a branch of the inferior alveolar nerve and vessels pass?

Mental Foramen

16

What are the two foramina found above and below the orbit?

Supraorbital Foramen
Infraorbital Foramen

17

What is the name of the midline notch just below the nose?

Anterior Nasal Spine

18

Which bones form the medial part of the orbit?

Orbital plate of ethmoid
Frontal process of maxilla
Lesser wing of sphenoid
Lacrimal

19

What are the parts of the temporal bone?

Squamous
Tympanic (external acoustic meatus)
Zygomatic Process
Mastoid
Petrous

20

What part of the mandible that protrudes under the zygomatic bone?

Coronoid Process

21

What part of the mandible advances towards the tempero-mandibular joint?

Ramus

22

What is the name of the flat part of the occipital bone?

Squamous part

23

What is the name of the suture between the occipital and temporal bones?

Occipitomastoid Suture

24

What are the two horizontal ridges found on the occipital bone?

Superior and Inferior Nuchal Lines

25

What is the midline protrusion of the occipital bone called?

External Occipital Protuberance

26

What is the name given to the highest point of this protrusion?

Inion

27

What is the name of the ridge that goes from the external occipital protuberance downwards to the foramen magnum?

External Occipital Crest

28

How can the cranial base be divided?

Anterior, Middle and Posterior Cranial Fossae

29

Which layer of the meninges goes in and out of the sulci?

Pia Mater

30

What are the two layers of dura in the cranium?

Periosteal and Meningeal