neural tube defects pt 1

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21 Terms

1
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anterior end of neural tube AKA … end, closes by … weeks

cranial, 5.5

2
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caudal end of neural tube closes by … weeks

6

3
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final form of brain structures (except …(3)) formed by the end of the … th week

corpus callosum, cerepellar vermis, sulci/gyri, 16

4
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corpus callosum developed by week …, forms …

20, csp

5
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membrane connecting to cerebellar hemishperes

vermis

6
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superior to inferior brain views

ventricular, thalami’s, cerebellar

7
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spina bifida head shape, caused by … of frontal bones

lemon, indentation

8
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head shape associated with trisomy 18

strawberry

9
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head shape associated with thanatophoric dysplasia

cloverleaf

10
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poor cranial bone mineralization associated with what 2 skeletal disorders

osteogenesis imperfecta, achndrogenesis type 1

11
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craniosynostosis: premature …, complete ultrasound appearance, Kleebllattschadel/partial ultrasound appearance

fusion of sutures. microcephaly and microencephaly, clover leaf

12
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ventriculomegaly: ventricles measure greater than … cm, choroid plexus sign, 2 types (…/…)

1, dangle, non-cummunicating/intraventricular, communicating/extraventricular

13
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atrium of the ventricle is the confluence of …(3)

body, temporal horn, occipital/posterior horn

14
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foramen connecting lateral and 3rd ventricle (2 names); foramen connecting 3rd and 4th ventricle (2 names)

foramen of monroe, interventricular foramen; cerebral aqueduct, aqueduct of sylvius

15
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lateral foramen off the 4th ventricle, midline

foramen of lashka, magendie

16
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3 causes of intraventricular hydrocephalus

aqueduct stenosis, dandy-walker syndrome, spina bifida

17
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arnold-chiari is associated with … syndrome

spina bifida

18
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most common location of aqueductal stenosis

foramen of sylvius

19
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in obstructive hydrocephalus/ ventricular stenosis, dilation will be seen … to the stenosis

proximal

20
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dandy walker syndrome: cystic mass seen in the … communicating with …, … is hypoplastic or absent

posterior fossa, 4th ventricle, vermis

21
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dandy walk malformation/complex: high association with … anomalies, subnormal …

cns, intelligence