1what are the first month developments ?
1. folidng of outer back
2. formation of neural tube
3. cells around neural tube form the CNS
2what are the cortex developments ?
1. radia glia froms extension
2. CR celss place against pia matter
3. neurons climb to CR cells ( along radial glia)
4. CR cells + pia matter pushed outwards
3where are the radia glia cells ?
in ventricular zone
4how does the cortex develop itself ?
from inside out
5what is cytodifferentiation ?
the development of specialized cells
6what types of cytodifferentiaon are there ?
1. asymmetric cell dividion
2. symmetric cell division
7whta is the asymetric cell dividion?
**stem cell produces one differentiated cell and one stem cell**
new progenitor + radial glia cell / CR cell / neuron
8what is the symmetric cell division ?
**stem cell produces two differentiated cells or two stem cells**
9when will a synapse go away ?
when said synapse is not paired
10what is te first stage of brain develoment ?
1. forebrain
2. midbrain
3. hindbrain
4. contact to spinal cord
11what is the midbrain ?
information form the body
12what does the hindbrain do ?
most basi : heartrate and breathing
13what is the second stage of brain development ?
1. two hemispheres
2. thalamus
3. cerebellum
4. contact to spinal cord
14what are the two hemispheres called ?
telencephalon
15what is the thalamus called?
mesencephalon
16what is the cerebellum called ?
methencephalon
17what is the contact with the spine called ?
myelinchpehalon
18how long does it take the brain to be 95% the same as an adult brain ?
5 years
19where is the rostral or anterior for animals ?
head
20where is the caudal or posterior for animals ?
the tail
21where is the vental for animals ?
belly
22where is the dorsal for animals ?
back
23where is the dorsal for humans ?
head
24where is the caudal or posterior for humas ?
feet
25where is the rostral or anterior for humans ?
the face
26where is the dorsal II for humas ?
the butt
27what anatomical lanes exis ?
1. saggital
2. coronal
3. transvese
28which is the saggital plane ?
like a profile picture
29which is the coronal plane ?
from behind
30which is the transverse plane ?
de sus
31what is the structure of the nervous system ?
1. central nervous sytem
2. peripheral nervous sytem
32what does the central nervous sytem contain ?
the brain and spinal cord
33what strucures does the brain have ?
1. forebrain
2. thalamus and hypothallamus
3. little brain
4. midbrain
5. extended marrow
6. pineal chord
34what structures does the peripheral nervous system contain ?
12 cranial nerves
31 pairs spinal nerves
35to what does the spinal cord extend ?
to lumbar regions
36with what is the column filled ?
spinal fluid
37what is the afferent information path ?
the sensory path
38what is the efferent information path ?
the motor path
39what are the motor nerves ?
1. 4. 6. eyes
5. jaw
7. face and taste
9. throat and taste
11. neck
12. tongue
40what are the sensory nerves ?
1. smell
2. vision
5. face
1. taste
8. hearing and balance
9.taste
10. internal organs
41what are the functions of the cerebellum ?
motor control
timing
balance
42what is the brain region that slows down when you drink ?
cerebellum
43what is the role of the thalamus ?
rely station for transferring sensory information to cortex
44what is the role of hypothalamus ?
hormone secretion via pituitary gland autonomic system, the 4 F's of survival
45what are the 4 F's?
fighting
feeding
fleeing
mating
46what is the basal ganglia ?
the set of 3 nuclei
47what is the role pf the basal ganglia ?
1. motor control
2. motor learning
48what are the 3 nuclei in the basal ganglia ?
1. putamen
2. caudate nucleus
3. globus pallidus
49what are cortex cerebri ?
hills and valleys ( the points of meeting between the brain regions : the folds)
what are the main cortex cerebri ?
1. central suclulus
2. peroccipital notch
3. parieto occipital suculus
4. corpus collostrum
50where is the central suculus ?
between frontal and parietal lobes
51where is the parieto occipital suculus ?
between parietal and occipital lobes
52where is the preoccipital notch ?
between occipital and temporal lobes
53where is the corpus collostrum ?
between the left and right hemisphere
54what is cytoarchitecture ?
Broma's 52 areas theory
55what are the areas in Broman's theory devided based ?
1. cell morphology
2. cell density
56what are the primary cortexis specialized in ?
motor
somatosensory
auditory
visual
57what are the association cortices ?
they combine information
58what is the relation between association and motor cortices ?
1. motor association cortex : motor plan
2. motor cortex : motor plan execution
3. sensory cortex : touch perception
4. sensory association cortex : combine sensation of
59what is the ventricular system ?
**set of four interconnected cavities known as cerebral ventricles in the brain**
60what is the role of the ventricular system ?
weight reduction +shock absorber
61how does the CSF circulation work ?
produced by chlorid plexus
62where is it created ?
in ventricles form blood plasma
63how is the circulation fluid removed ?
by arachnoid granulations in superior sagittal sinus
64what is hydrocephalus ?
Narrowing cerebral aqueduct results in hydrocephalus