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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
little structures that reach into the superior sagittal sinus from the subarachnoid space, which contains CSF.i
the v shaped opening between cerebrums and the skull.
superior sagittal sinus
where is the optic tract
- the front part of the pons posterior to the optic chasm.
where is the olfactory bulb & tract
- at the front of the sheep brain (image 1&2). Long sticks at front of human.
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.
what is arrow 1 & 2 pointing at?
- 1) precentral gyrus
- 2) postcentral gyrus
Name all the lobes and list their locations.
what's in between the precentral and postcentral gyrus?
the central sulcus
where's the lateral sulcus
it's separating the temporal from the frontal lobe.
where's the longitudinal fissure?
separating left and right cerebrums
where is the transverse fissure
between the occipital lobe and cerebellum (AKA horizontal fissure).
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
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.
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
Part of the precentral gyrus in charge of language. Superior to the temporal lobe.
cortex area just anterior to the primary motor cortex
give numbers for the following region:
thalamus, hypothalamus, optic chiasma, mammillary bodies, pineal gland, pons, and medulla oblongata.
Name the regions 7, 9,
- 7) superior colliculi
- 9) inferior colliculi
area that attaches the 3 to the 4th ventricle
name the tubular area attaching the 2 hippocampus together
Name the webbing in between the fornix
area between the hypothalamus and pituitary
infundibulum (pituitary stalk).
name A, B, C, & F.
- A) Optic chiasma,
- B) Olfactory bulb
- C) Optic nerve
- F) Pons
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