Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Head Neck and Spine > Anatomy > Flashcards

Anatomy Flashcards

1
Q

What does the subarachnoid space consist of?

A

Cerebrospinal fluid - protects brain from movement and delivers nutrients to it
Spider-like projections

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which part of the brain sits in the middle cranial fossa of the skull?

A

Temporal lobes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

At what age does the “soft spot” on the top of a baby’s head close up?

A

18-24 months

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the medical term for the soft spot?

A

Anterior fontanelle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The sagittal suture of the skull lies between which bones?

A

Parietal - Parietal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the 3 layers of the meninges

A 
Dura mater (outermost) - outer is periosteal layer, inner. is meningeal layer. Thick, Inelastic 
Arachnoid mater - spider-like projections and CSF in subarachnoid space 
Pia mater (innermost) - thin, delicate 2 cell thick surface of the brain
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the 3 fossae of the skull

A

Anterior cranial fossa —> frontal lobes
Middle cranial fossa —> temporal lobes
Posterior cranila fossa —> brainstem and cerebellum, this fossa is covered by layer of meninges

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the 3 main sutures of the superior and posterior views of the skull

A

coronal, sagittal, lamboid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is junction of bones on each side of skull

A

pterion

  • H shaped formation of sutures on each side of skull
  • forms junctions between 4 bones: greater wing of sphenoid bone, temporal bone, parietal bone, frontal bone
  • weak spot, a blow to it can cause intercranial bleeding
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

difference in dura between skull and vertebral column?

A

dura is adherent to bone/skull in. cranial cavity
there is space between dura and bone/vertebra when you come out of foramen magnum. The space is extra-dural space where extradural/epidural anaesthesia can be injected for pain relief

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What do the 2 layers of the dura form when they separate at points around the brain?

A

The form venous sinuses where blood circulates around cranial cavity eg superior Sagittal sinus - the largest one

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Name the folds of the dura that spilt the brain

A

Falx cerebri and falx cerebelli split brain sagittally

Tentorium cerebelli forms a tent over the the cerebellum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the lambda

A

The meeting point of the Saggittal suture and lamboid suture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Layers of the scalp

A

Skin - hair follicles and sebaceous glands
Connective tissue - richly innervated, blood vessels are closely adherent to it so can’t fully construct if lacerated therefore the scalp can be a site fo profuse bleeding
Aponeurosis - thin and tendon like, contains occipitalis and frontalis muscles
Loose areolar tissue - contains emissary veins which connect extra cranial veins of scalp to inter cranial venous sinuses, so are a potential pathway for spread of infection from scalp to inter cranial space
Periosteum - outer layer of skull bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the difference in bone thickness between occipital and pterion?

A

Bone is thickest at occipital region and thinnest at pterion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What type of intercranial haemorrhage is associated with damage to the middle meninges artery?

A

Epidural/extradural haemorrhage - occurs between dura mater and skull

17
Q

2 arterial sources of the circle of Willis?

A 
Internal carotid arteries (branch of the common carotid artery)
Vertebral arteries (branch off from first part of subclavian artery)
18
Q

What is the name of the pituitary fossa?

A

Sella Turcica

19
Q

Where is cavernous sinus in relation to the sella turcica?

A

Lateral to it

20
Q

CN 1

A

Olfactory

21
Q

CN 2

A

Optic

22
Q

CN 3

A

Oculomotor

23
Q

CN 4

A

Trochlear

24
Q

CN 5

A

Trigeminal

25
Q

CN 6

A

Abducens

26
Q

CN 7

A

Facial

27
Q

CN 8

A

Vestibulocochlear

28
Q

CN 9

A

Glossopharyngeal

29
Q

CN 10

A

Vagus

30
Q

CN 11

A

Accessory

31
Q

CN 12

A

Hypoglossal

32
Q

Describe an epidural/extradural haemorrhage

A

Due to meninges vessels
Due to blood collection between dura and inner periosteal (bony) layer of cranium
On CT scan, is a lens shaped haematoma - blood looks white on Ct scan

33
Q

Describe a subarachnoid haemorrhage

A

Due to rupture of aneurysms (bulge in blood vessel due to weakness in blood vessel - so the wall bulges outwards when blood passes through that part of the vessel)
Due to blood collection in subarachnoid space
CSF becomes heavily blood stained
On CT scan, looks like dense extensive area of blood in subarachnoid space (blood looks white on ct scan)

34
Q

Describe subdural haemorrhage

A

Due to cerebral veins or venous sinuses
Due to blood collection between dura and arachnoid layer
On CT scan, is a long crescent shaped haematoma

35
Q

Facial nerve exits skull base through which foramen?

A

Stylomastoid foramen

36
Q

At what vertebral level does the adult spinal cord end?

A

L2

37
Q

What is the structural name for the chin

A

Symphysis menti

38
Q

What is the bony prominence behind the ear called?

A

Mastoid process

Head Neck and Spine (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions