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Psychology > neonatal brain 1 > Flashcards

neonatal brain 1 Flashcards

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1
Q

ectoderm differentiates into

A

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

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2
Q

in development of the brain the ectoderm forms a

A

neural plate

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3
Q

the neural plate folds to form

A

neural tube

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4
Q

each end of neural tube has

A

neuropores

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5
Q

if the neuropores don’t close then leads to

A

anteriorly - anencephaly

posterior - spina bifida/ pilondial cyst

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6
Q

anterior end develops into

A

forebrain
midbrain
hindbrain

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7
Q

Forebrain includes

A

cerebrum and dienchaphalon

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8
Q

hindbrain includes

A

pons and medulla

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9
Q

sonography the primary modality of screening

A

intracranial hemorrhage
hydrocephalus
congenital anomalies of the neonatal brain

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10
Q

three windows to the neonatal brain

A 
Anterior Fontanelle (Standard)***
Posterior Fontanelle (Supplemental)
Mastoid Fontanelle/ Posterolateral (Supplemental)
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11
Q

when does the closure of the fontanels begin and end

A

9 mo- 15 mo

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

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12
Q

when will hemorrhagic lesions become visible

A

within hours after incident

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13
Q

when do ischemic lesions become visible

A

need time to develop and can be seen weeks after

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14
Q

what forms the anterior fontanelle

A

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

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15
Q

what forms the posterior fontanelle

A

is formed by the junction of the lambdoid and sagittal sutures

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16
Q

what forms the mastoid fontanelle

A

located at the junction of the lambdoid and occipital sutures

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17
Q

cerebrum info

A

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

18
Q

corpus callous

A

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

19
Q

cerebral cortex

A

The outermost layer of the cerebrum

20
Q

falx cerebri

A

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

21
Q

cerebellum

A

Posterior portion of the brain, composed of two hemispheres

22
Q

choroid plexus

A

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

23
Q

thalamus

A

paired ovoid structures in the central brain

24
Q

protective membranes of the brain

A

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
25
Q

3 divisions of the brain

A

cerebrum cerebellum and brainstem

26
Q

cerebrum Separated by a fissure/groove called the longitudinal fissure

A

longitudinal fissure

27
Q

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

A

falx cerebri

28
Q

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

A

lateral fissure sylvian

29
Q

cerebellum separated from the cereberum by

A

tentorium (a fold of dura)

30
Q

what connects two hemispheres of the the cerebellum

A

vermis

31
Q

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

A

posterior fossa

32
Q

brain stem consists of

A

mid brain
pons
medulla oblongata

33
Q

largest ventricles

A

lateral ventricles

34
Q

largest portion of the choroid plexus is ____ and located where

A

glomus located in the lateral ventricles

choroid plexus in all ventricles tho

35
Q

4 divisions of the corpus callosum

A

rostrum, genu, body, splenium

36
Q

where is the thalami located

A

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

37
Q

fluid filled structure that communicates with the 4th ventricle

A

cisterna magna

38
Q

what planes are we mostly in when scanning the brain

A

coronal and sag

39
Q

bunch of images with descriptions

A

so check that out

40
Q

Location for germinal matrix hemorrhage in premature infants?

A

caudothalamic groove

41
Q

The caudothalamic groove contains the anterior extent of the

A

choroid plexus

Psychology (31 decks)

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