neurosicense
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- premordial germ cell origin?
- yolk sac derivative
- epithelial of the gut origin?
- yolk sac derivative
- early blood and blood vessels origin?
- yolk sac derivative
- epidermis origin?
- surface ectoderm
- hair , nail origin?
- surface ectoderm
- inner , outer ear origin?
- surface ectoderm
- lens of eye origin?
- surface ectoderm
- rhathke pouch(anterior pituitary-adenohypophysis) origin
- surface ectoderm
- parotid gland origin?
- surface ectoderm
- enamel of teeth origin?
- surface ectoderm
- retinal ,optic nerve origin?
- neural tube
- oligodendrocytes origin?
- neural tube
- pineal body origin
- neural tube
- astrocytes origin
- neural tube
- neurohypophysis
- neural tube
- skeletal ms and preganglionic autonomic nervous system origin?
- neural tube
- all muscles origin?
- mesoderm
- bone and cartilage origin?
- mesoderm
- all serous membrane origin?
- mesoderm
- blood and lymph CVS organ origon?
- mesoderm
- adrenal cortex origin?
- mesoderm
- gonadal and internal genitalia origin?
- mesoderm
- spleen origin?
- mesoderm
- kidney origin?
- mesoderm
- ureter origin?
- mesoderm
- dura matter of meninges origin?
- mesoderm
- microglia origin?
- mesoderm
- tympanic membran origin?
- endoderm
- u bladder origin?
- endoderm
- auditory tube origin?
- endoderm
- urethra origin?
- endoderm
- gray ramus communicans is?
- postganglionic ANS fibers
- white ramus communicans is?
- preganglionic ANS
- notochordal process appear in which day or week?
- 18 days
- fusion of rostral neuron ocure in?
- 25 days
- fusion of caudal neuron occure in ?
- 27 days.
- ala plate relate to which motor or sensory
- sensory
- basal plate related to which motor or sensory
- motor
- forebrain give rise to?
- telancephalon and diencephalon
- midbrain give rise to?
- mesencephalon
- hindgut give rise to?
- metancephalon,myelencephalon.
- diencephalon related to which part of brain?
- thalamous and hypothalamus(CNS)+ third ventricle
- mesencephalon related to which part of brain?
- midbrain and cerebral egueduct
- microtubules correspond to antegrade movement ?
- kinesin
- microtubules response to retrograde called?
- dynein
- herpes ,polio,tetanus, rabies spread infection by which axonal transport?
- retrograde
- name glial cells type? function
- ependymal cell(cover ventricle) 2_astrocytes(provide nutrition to neuron and CSF) 3_oligodentrocytes 4_microglia
- myelination of CNS when start?
- start in 4 Ms of pregnancy and cont until 2ed decade of life.
- normal CSF production daily about?how much in CSF?
- 5oo ml only 25% stay in CCF
- normal CSF osmol is ?
- 290-295 osm/L ph = 7.3
- which electrolyte found high in CSF than blood . which one is same?
- cl and Mg is higher in CSF . Na is same as blood