60 Fetal Neural Tube Axis

Front 1

What is the neural plate

Back 1

Early structure develops into cns

Front 2

What is neural tube

Back 2

Resuts from fusion of folded ends

Front 3

3 primary vesicles

Back 3

Pro

Mes

Rhomb

Front 4

Cns arises form

Back 4

Neural plate around 18 days

Front 5

Prosencephalon becomes

Back 5

Tele and dienceohalon

Front 6

At birth the spinal cord ends at

Back 6

3rd lumbar

Front 7

Neural function begins at

Back 7

6 wks

Front 8

Baby can grip at how many weeks and breath

Back 8

4 and 5th months

Front 9

Sucking reflex beings at

Back 9

6 months

Front 10

Brain waves change at how many weeks

Back 10

Look up

Front 11

Most common neural tube defect

Back 11

Anencephaly

1 in 1000 pregnancies

Failure of neural tube to close

Front 12

What covers acrania

Back 12

Look

Front 13

Anencephaly death rate

Back 13

50%

Front 14

Causes of anencephaly

Back 14

Look

Front 15

Anencephaly sono appearence

Back 15

Frog. Polyhydramnios. Talips. Spina bifida

Front 16

Acrania

Back 16

Also exencephaly

Lethal. Loss of cranium bones

Progresses to anencephaly due to caustic degradation from amniotic fluid

Front 17

Acrania associated with

Back 17

Spinal defects

Front 18

Cephalocele

Back 18

Usually ociptal in origin

Can include Brain or just menhirs

3 in 10,000 live births

Rarely other regions

Front 19

Prognosis of cephaloces

Back 19

Depends on size. Location and involvement of brain

Front 20

Types of cephaloces based on location

Back 20

Look

Front 21

Idk

Back 21

Idk

Front 22

Cephaloces associated with anomalies

Back 22

Meckle gribwr

Front 23

Spina bifida

Back 23

Look

Front 24

Rachischisis

Back 24

Very large spina bifida

Front 25

Most common location of spina bifida

Back 25

Lumbosacral region

Front 26

Spina bifida occulta

Back 26

Occult is covered with skin

Front 27

Banana sign

Back 27

Curving of cerebellum

Arnold chiari type II

Front 28

Hydrocephalus

Back 28

Water on brain. Ventricles grater than 1cm

Front 29

Shape of spine in open defect

Back 29

V U C

Front 30

Spine parts lateral and interior transverse image

Back 30

Laminar, cerium

Front 31

Sono findings with spina bifida

Back 31

Taileps

Hypotelorisum

Front 32

Which trisomy is associated with spina bifida

Back 32

Trisomy 13

Front 33

Dandy walker

Back 33

80% have hydrocephalus

Loss of cerebellum vermis

Water on brain dilated 4th ventricle

Front 34

Causes of dws.

Back 34

Coumadin. Alcohol

Front 35

Three types of dws

Back 35

Alobar

Lobar

Front 36

When does the cerebllar vermis begin forming

Back 36

9 weeks

Front 37

Diagnosis of dws can not be made before how many weeks

Back 37

18 weeks

Front 38

What is aquiductal stenosis

Back 38

Most common cause of hydrocephalus

Front 39

Sono appearence of dws

Back 39

Splaying of cerebellum most imprtant

Front 40

Holoprosencephaly

Back 40

Abnormal division of prosencephalon

50% associated with anuploidies

Front 41

Three types of holoprosencephaly by severity

Back 41

Look

Front 42

Alobar

Back 42

Monoventricle

Fused thalamus

Ball cup or pancake appearance

Front 43

Semilobar

Back 43

Partial formation of occipital horns

Partial fusion of thalamus

Front 44

Lobar

Back 44

Least sever

Absent olfactory tracts and cavum septum pellucidum

Otherwise normal thalamus ext

Front 45

Holoprosencephaly associated with

Back 45

Aicardi

Meckle gribur

Radiation

Aspirin

Front 46

Cebocephaly

Back 46

One nostril

Front 47

Ethmocephaly

Back 47

Proboscis and sever hypotelorism

Front 48

Idk

Back 48

Idk