skull

Question 1

how many bones in skull

Answer 1

22

Question 2

what types of joint are in the skull

Answer 2

fibrous + synovial temporomandibular

Question 3

neurocranium function

Answer 3

protect the brain, attachment sites for head and neck muscles

Question 4

viscerocranium function

Answer 4

framework of face
cavities for special sense organs
opening for air and food passage
secures the teeth
attachment for FM of expression

Question 5

3 sutures of skull

Answer 5

coronal, sagittal and lambdoid

Question 6

pterion

Answer 6

weakest and thinnest point of the skill. Is where the frontal, sphenoid, zygomatic, and temporal bone meet

Question 7

outside part of temporal

Answer 7

squamous

Question 8

internal part of temporal

Answer 8

petrous

Question 9

processes on temporal bone

Answer 9

zygomatic process
mastoid process
styloid process

Question 10

attachment point on skull for sternocleidomastoid

Answer 10

mastoid process on temporal bone

Question 11

where is the external acoustic meatus

Answer 11

Between zygomatic process and mastoid process on temporal bone

Question 12

what bone attaches the neurocranium and viscerocranium

Answer 12

sphenoid

Question 13

what descends from the sphenoid bone

Answer 13

pterygoid plates

Question 14

what does the pterygoid muscle attach to

Answer 14

pterygoid plates on sphenoid bone

Question 15

sella turcica

Answer 15

depression in the sphenoid bone inferiorly, contains the pituitary gland

Question 16

boundaries of sphenoidal sinus

Answer 16

Anterior boundary: bony eminences anterior clinoid processes
Posterior boundary: bony tubercles posterior clinoid processes.

Question 17

attachment sites for dura mater

Answer 17

clinoid processes

Question 18

meninges layer

Answer 18

Dura mater, arachnoid mater and pia mater

Question 19

layers of dura mater

Answer 19

periosteal and meningeal

Question 20

Falx cerebri

Answer 20

fold of dura mater that descends vertically in the longitudinal fissure between the two hemispheres

Question 21

Tentorium Cerebelli

Answer 21

fold of dura mater that separates the cerebellum from the occipital lobes

Question 22

Tentorial notch

Answer 22

anterior opening at the borders of the tentorium cerebelli and partially the falx cerebri

Question 23

dural venous sinus

Answer 23

endothelium lined spaces filled with venous blood between the periosteal and meningeal layers of the dura mater

Question 24

what do the transverse and sigmoid sinuses each drain into

Answer 24

transverse into sigmoid

sigmoid into jugular foramen

Question 25

name the dural venous sinuses

Answer 25

``` cavernous petrosal straight transverse sigmoid superior sagittal inferior sagittal ```

Question 26

what runs along the free margin of the falx cerebri

Answer 26

inferior sagittal sinus

Question 27

what connects the superior and inferior sagittal sinuses

Answer 27

straight sinus

Question 28

what artery runs through the cavernous sinus

Answer 28

internal carotid artery

Question 29

what does the cavernous sinus drain into

Answer 29

petrosal sinus

Question 30

orbit

Answer 30

bilateral pyramidal shaped cavity in the anterior aspect of skull

Question 31

what bones make up the oral cavity

Answer 31

mandible maxilla palatine

Question 32

what makes up the nasal septum

Answer 32

ethmoid bone (superiorly), septal cartilage, vomer (inferiorly

Question 33

are the superior, middle, and inferior conchae extensions of the ethmoid bone

Answer 33

superior and middle yes | inferior is separate bone

Question 34

Paranasal Sinuses

Answer 34

hollow spaces within the frontal, sphenoid, ethmoid and maxillary bones. Lined by mucous membrane, drains into nose

Question 35

large membranous regions between the bones in fetal skull

Answer 35

fontanelles

Question 36

fontanelles function

Answer 36

Allow for growth of the brain and flexibility during birth

Question 37

fontanelles in fetal skull

Answer 37

anterior posterior sphenoid mastoid

Question 38

largest fontanelle in fetal skull

Answer 38

anterior fontanelle

Question 39

bones of anterior cranial fossa

Answer 39

frontal ethmoid sphenoid

Question 40

bones of middle cranial fossa

Answer 40

sphenoid temporal parietal

Question 41

bones of posterior cranial fossa

Answer 41

sphenoid parietal temporal occipital

Question 42

lobes of anterior cranial fossa

Answer 42

frontal

Question 43

lobes of middle cranial fossa

Answer 43

temporal

Question 44

lobes of anterior cranial fossa

Answer 44

cerebellum

Question 45

what runs through foramen spinosum

Answer 45

middle meningeal artery

Question 46

what does the middle meningeal artery supply and where does it run

Answer 46

meninges | between skull and dura mater

Question 47

what goes through jugular foramen

Answer 47

internal jugular vein

Question 48

what angle does the carotid artery run through the carotid canal

Answer 48

obliquely

Question 49

olfactory nerve route

Answer 49

inferiorly from olfactory bulb, through the cribriform plate of the ethmoid bone to enter the nasal cavity

Question 50

optic nerve route

Answer 50

enters the optic canal: to orbit

Question 51

Oculomotor route

Answer 51

emerges from midbrain. Passes through superior orbital fissure

Question 52

Trochlear route

Answer 52

From posterior surface of midbrain. Through superior orbital fissure

Question 53

Trigeminal route

Answer 53

From lateral surface of pons. then branches

Question 54

Ophthalmic v3 route

Answer 54

Passes through superior orbital fissure. Reaches the face by exiting through supraorbital foramen/fissure

Question 55

Maxillary (V2) route

Answer 55

passes through the foramen rotundum. Reaches the face by passing through the infraorbital foramen

Question 56

Mandibular (V3) route

Answer 56

passes through foramen ovale. To face via the mental foramen

Question 57

Abducens route

Answer 57

emerges from the pons. Passes through superior orbital fissure

Question 58

Facial route

Answer 58

Emerges from the pons, passes through the internal acoustic meatus. Runs through the petrous part of the temporal bone, passes out via the stylomastoid foramen

Question 59

Vestibulocochlear route

Answer 59

Emerges from pons, passes through internal acoustic meatus

Question 60

Glossopharyngeal route

Answer 60

Lateral surface of medulla oblongata, exits via jugular foramen

Question 61

vagus route

Answer 61

Lateral surface of medulla oblongata, exits via jugular foramen.

Question 62

Spinal Accessory route

Answer 62

Emerges from first 5-6 cervical segments, runs superiorly through foramen magnum, then leaves the skull via the jugular foramen

Question 63

Hypoglossal route

Answer 63

Emerges from the anterior aspect of the medulla oblongata and runs through hypoglossal canal