lab 3

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  1. what are the 3 layers composing the outer membrane of the brain
    • 1) dura matter: thick opaque.
    • 2) arachnoid matter: weblike semitransparent.
    • 3) pia matter: thin delicate
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  2. little structures that reach into the superior sagittal sinus from the subarachnoid space, which contains CSF.i
    arachnoid villi
  3. the v shaped opening between cerebrums and the skull.
    superior sagittal sinus
  4. where is the optic tract
    • the front part of the pons posterior to the optic chasm.
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  5. where is the olfactory bulb & tract
    • at the front of the sheep brain (image 1&2). Long sticks at front of human.
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  6. where are the ventricles
    • 1&2) Lateral: one on each cerebral hemisphere
    • 3) 3rd: in the diencephalon inferior to the corpus callosum.
    • 4) 4th: between the pons and cerebellum.
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  7. what is arrow 1 & 2 pointing at?Image Upload
    • 1) precentral gyrus
    • 2) postcentral gyrus
  8. Name all the lobes and list their locations.
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  9. what's in between the precentral and postcentral gyrus?
    the central sulcus
  10. where's the lateral sulcus
    it's separating the temporal from the frontal lobe.
  11. where's the longitudinal fissure?
    separating left and right cerebrums
  12. where is the transverse fissure
    between the occipital lobe and cerebellum (AKA horizontal fissure).
  13. what is the white colored portion inside the brain that contains myelinated nerve fibers that transmit impulses between cerebral areas and lower centers.
    cerebral white matter
  14. relays motor impulses from the cerebral cortex to the brainstem and spinal cord: the main structures include the caudate nuclei, putamen, and globus pallidus
    basal ganglia, interconnected with the thalamus, brainstem, and the cerebral cortex.
  15. cortex is an area of the frontal lobe located in the dorsal precentral gyrus immediately anterior to the central sulcus
    motor cortex/ Primary motor cortex
  16. Part of the precentral gyrus in charge of language.  Superior to the temporal lobe.
    broca's area

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  17. cortex area just anterior to the primary motor cortex
    premotor cortex
  18. give numbers for the following region:
    thalamus, hypothalamus, optic chiasma, mammillary bodies, pineal gland, pons, and medulla oblongata.
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  19. Name the regions 7, 9, 
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    • 7) superior colliculi
    • 9) inferior colliculi
  20. area that attaches the 3 to the 4th ventricle
    cerebral aqueduct
  21. name the tubular area attaching the 2 hippocampus together
  22. Name the webbing in between the fornix
    septum pallucidum
  23. area between the hypothalamus and pituitary
    infundibulum (pituitary stalk).
  24. name A, B, C, & F.
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    • A) Optic chiasma, 
    • B) Olfactory bulb
    • C) Optic nerve
    • F) Pons
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lab 3
2015-12-01 06:53:12
lab 3
lab 3
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