neonatal brain 1

Question 1

ectoderm differentiates into

Answer 1

nervous system and epidermis, nails, hair, lining of mouth, nose and anus.

Question 2

in development of the brain the ectoderm forms a

Answer 2

neural plate

Question 3

the neural plate folds to form

Answer 3

neural tube

Question 4

each end of neural tube has

Answer 4

neuropores

Question 5

if the neuropores don’t close then leads to

Answer 5

anteriorly - anencephaly

posterior - spina bifida/ pilondial cyst

Question 6

anterior end develops into

Answer 6

forebrain
midbrain
hindbrain

Question 7

Forebrain includes

Answer 7

cerebrum and dienchaphalon

Question 8

hindbrain includes

Answer 8

pons and medulla

Question 9

sonography the primary modality of screening

Answer 9

intracranial hemorrhage
hydrocephalus
congenital anomalies of the neonatal brain

Question 10

three windows to the neonatal brain

Answer 10

Anterior Fontanelle (Standard)***
Posterior Fontanelle (Supplemental)
Mastoid Fontanelle/ Posterolateral (Supplemental)

Question 11

when does the closure of the fontanels begin and end

Answer 11

9 mo- 15 mo

it is rare you would scan the brain after 9 months tho

Question 12

when will hemorrhagic lesions become visible

Answer 12

within hours after incident

Question 13

when do ischemic lesions become visible

Answer 13

need time to develop and can be seen weeks after

Question 14

what forms the anterior fontanelle

Answer 14

formed at the junction of the coronal, sagittal and frontal sutures

Question 15

what forms the posterior fontanelle

Answer 15

is formed by the junction of the lambdoid and sagittal sutures

Question 16

what forms the mastoid fontanelle

Answer 16

located at the junction of the lambdoid and occipital sutures

Question 17

cerebrum info

Answer 17

Largest section of the brain, divided into two hemispheres joined by the corpus callosum

Question 18

corpus callous

Answer 18

Largest white matter structure in the brain; contains nerve tracts that allow communication between the right and left hemispheres

Question 19

cerebral cortex

Answer 19

The outermost layer of the cerebrum

Question 20

falx cerebri

Answer 20

Fold of dura matter that divides the two hemispheres of the brain

Question 21

cerebellum

Answer 21

Posterior portion of the brain, composed of two hemispheres

Question 22

choroid plexus

Answer 22

Echogenic cluster of cells located within the lateral ventricles responsible for the production of CSF

Question 23

thalamus

Answer 23

paired ovoid structures in the central brain

Question 24

protective membranes of the brain

Answer 24

meninges

1. Dura mater 
Outer layer and most resilient 
2. Arachnoid 
Between the dura and pia
Contains subarachnoid space with CSF
3. Pia mater
Surrounds the surface of the cerebral cortex

Question 25

3 divisions of the brain

Answer 25

cerebrum cerebellum and brainstem

Question 26

cerebrum Separated by a fissure/groove called the longitudinal fissure

Answer 26

longitudinal fissure

Question 27

The __________ is a section of dura that lies within the fissure (helps separate the hemispheres)

Answer 27

falx cerebri

Question 28

__________ divides both the frontal lobe and parietal lobe above from the temporal lobe on both sides

Answer 28

lateral fissure sylvian

Question 29

cerebellum separated from the cereberum by

Answer 29

tentorium (a fold of dura)

Question 30

what connects two hemispheres of the the cerebellum

Answer 30

vermis

Question 31

cavity in the scull containing the cerebellum, the 4th ventricle and brain stem

Answer 31

posterior fossa

Question 32

brain stem consists of

Answer 32

mid brain pons medulla oblongata

Question 33

largest ventricles

Answer 33

lateral ventricles

Question 34

largest portion of the choroid plexus is ____ and located where

Answer 34

glomus located in the lateral ventricles choroid plexus in all ventricles tho

Question 35

4 divisions of the corpus callosum

Answer 35

rostrum, genu, body, splenium

Question 36

where is the thalami located

Answer 36

Located in the centre of the brain, one beneath each cerebral hemisphere, next to the 3rd ventricle

Question 37

fluid filled structure that communicates with the 4th ventricle

Answer 37

cisterna magna

Question 38

what planes are we mostly in when scanning the brain

Answer 38

coronal and sag

Question 39

bunch of images with descriptions

Answer 39

so check that out

Question 40

Location for germinal matrix hemorrhage in premature infants?

Answer 40

caudothalamic groove

Question 41

The caudothalamic groove contains the anterior extent of the

Answer 41

choroid plexus