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BIOM 3000 (Midterm 1) > 3- Nervous System Development > Flashcards

3- Nervous System Development Flashcards

1
Q

Endoderm Becomes

A

Gut
Liver
Lung

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2
Q

Mesoderm Becomes

A

Skeleton
Muscle
Kidney
Heart

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3
Q

Ectoderm Becomes

A

Skin

Nervous tissue

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4
Q

Spina Bifida

A

Incomplete closure of caudal end of neural tube

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5
Q

Spina Bifida -Occulta

A

Incomplete closure of vertebrae

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6
Q

Spina Bifida - Meningocele

A

Pocket of CSF is outside of vertebral column

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7
Q

Spina Bifida - Myelomenigocele

A

Spinal cord and mengines outside of body

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8
Q

Encephalocele

A

Sace lik protrusion of brain and surrounding membranes

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9
Q

Anencephaly

A

Incomplete closure of rostral end of neural tube

Lack of telencephalon (cerebrum)

Part of brain missing

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10
Q

Flexure Points

A

Pontine —> 4th ventricle

Cephalic—> midbrain/spinal cord

Cervical–> where brain stem ends

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11
Q

Choroid Plexus

A

Found in forebrain and 4th ventricle

Made of ependymal cells to filter blood and form CSF

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12
Q

Insula

A

Focal point that telencephalon (forebrain) grows around

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13
Q

Corpus Callosum

A

Connects L/R hemispheres

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14
Q

Anterior Commissure

A

Connects temporal lobes

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15
Q

Radial Migration

A

Somal migration (cell bodies)
Migrates straight up
Guided by radial glial cells

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16
Q

Tangential migration

A

Cells from medial and lateral ganglionic eminence moving to cortex

Forms inhibitory interneurons

Moves to the side, then up

17
Q

Cranial Neural Crest Cells

A

Neurons and glia

Cartilage and bone
Connective tissue

18
Q

Trunk Neural Crest Cells become

A

Sensory neurons and glia

pigment cells

Adrenal gland cells

19
Q

SNS Pre-ganglions exit at

A

Thoracic and lumbar

20
Q

PSNS Pre-ganglions exit at

A

Cranial and sacral

21
Q

Neurocristopathies

A

Class of pathologies involves neural crest cells

Waardenburg syndrom

Neurofibromatosis
Cleft lip/palate

BIOM 3000 (Midterm 1) (7 decks)

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