l2 Flashcards
neural ____ leads to the generation of the neural ___ on the ___ side of the embryo
induction
plate
dorsal
edges of neural plate (neural folds) become neural ____ form the ____
crest
PNS
anterior neural plate causes formation of panplacodal ectoderm - will form placodes that generate______ structures in ____ region
specialized sensory
head
lateral edges of the neural plate fold up and over to become ____ of the neural ___ (= ___ ___)
dorsal
tube
roof plate
midline of neural plate has not moved and forms the ____ side of the neural tube (=___ ____)
ventral
floor plate
when closure fails in human development, it leads to defects in rostral (_________) and caudal (____ _____) regions
anencephaly
spina bifida
forebrain =
prosencephalon
midbrain =
mesencephalon
hindbrain =
rhombencephalon
telencephalon
neocortex
diencephalon
thalamus, subthalamus, epithalamus, pineal gland
mesencephalon
pretectum, tectum
metencephalon
cerebellum, pons
myelencephalon
medulla oblongata
cervical (___)
thoracic (____)
lumbar (___)
sacral (____)
7
12
5
5
trunk neural crest generates ______ of ANS
ganglionic neurons
where does PSNS start the spinal cord
sacral
in the ANS, there are pre-ganglionic ____ from the ____, that are sent to the post-ganglionic ___ of the ____
signals
CNS
neurons
PNS
the SNS is ____, whereas the PSNS is ____
noradrenergic
cholinergic
Somatomotor neurons innervate ____
skeletal muscle
the rest of the neural tube generates various types of ___ for ______ _________
interneurons
central processing
ipsilateral pathways =
uncrossed
contralateral pathways =
crossed
fine touch and proprioception is in the ____ ____
dorsal column
