hi
human physiology:
what is a cerebral lobe not visible in an ordinary external inspection
what is a vein in the dura mater roughly parallel to the longitudinal fissure
what is the portion of the thalamus that passes through the third ventricle. I think is is the hypothalamus, but i'm not sure
what is the white matter tracts in the ventral portion of the midbrain.
Is is the spinothalamic tract?
can you please help me with these questions. I spent an hour looking it up in the internet, but i can't find the answer. please, These questions are about the brain.
I'm not sure what you mean by "external inspection." If this is from outside the head, none of the lobes are visible. In viewing the brain itself, all lobes of the cerebrum are visible, but only the occipital lobe is not clearly designated by sulci.
For your second question, since this is not my main area of expertise, I searched Google under the key words "brain longitudinal fissure vein" to get these possible sources:
http://www.bartleby.com/107/170.html
http://www.bartleby.com/107/193.html
For the third question, I used key words "thalamus third ventricle":
http://www.medfriendly.com/thirdventricle.html#whatisit
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I searched for the "spinothalamic tract" to get these sources:
http://en.wikipedia.org/wiki/Spinothalamic_tract
http://en.wikipedia.org/wiki/Anterior_spinothalamic_tract
http://hsc.unm.edu/touch/datasets/datasets/spinothalmic/spinothalmic.shtml
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I hope this helps. Thanks for asking.
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4 answers
I am actually workiung on the exact same questions right now.I thought the answer was "vein of Galen" for the Vein in the dura mater roughly parallel to the longitudal fissure. I'm still looking.p.s. read the chapter.