Neurodevelopment 1 Flashcards
___% of births are without major neurodevelopmental dysfunction
97
about ___ the protein coding genes are also in some way involved in development of the NS
half
____: you are born with the attributes to survive on its own
precocious
most neuronal production and migration occurs during the ___ through ____ months of development
3rd-5th
the formation of neural connections and production of myelin sheaths continue ____ birth
after
____: neural connections
neuropil
___: where axons and dendrites meet
neuropil
gliogenesis takes place during the ___ and ___ trimesters of pregnancy and early ___ development
2nd and 3rd
postnatal
glia outnumber neurons __:___ in the fully developed brain
10:1
glial abnormalities related to….
alzheimers
MS
schizophrenia
depression
schizophrenia can be related to the mother getting sick during ____
pregnancy
when cells are in the morula they are ___
totipotent
___: cells have the potential to make its own organism itself
totipotent
when cells are in the blastocyst, they are ___
pluripotent
____: potential to make many things
pluripotent
___ is when cell differentiation begins
gastrulation
gastrulation is going from ___ to ___ cell layers
2 –> 3
3 germ layers after gastrulation
ectoderm
mesoderm
endoderm
ectoderm gives rise to ___ ___ and ___
NS
Skin
mesoderm gives rise to __ and ____
ALSO ___
skeleton
musculature
Notochord
endoderm gives rise to the __ ___
gut tube
neurons have to rely on ____
cues
neural induction follows gastrulation from ___ acting on ectoderm
morphogens
___ ___: undifferentiated tissue becomes nervous tissue
neural induction
