Glossary of human and sheep brain anatomy in marieb
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- what are the parts of the external anatomy that i need to know of the human brain?
- cerebrum, cerebellum, and brain stem
- what are the parts of the brain stem?
- four parts:
midbrain (cerebral peduncles and superior and inferior colliculi)
cerebral aqueduct (?)
- where is the frontal lobe?
- front of the cerebrum
- where is the temporal lobe?
- on side, under lateral sulcus
- where is the occipital lobe?
- under parieto-occipital sulcus in back
- where is the parietal lobe?
- behind the central sulcus and above the parieto-occipital sulcus
- what is a cerebral hemisphere?
- the longitudinal sides of the brain (right and left)
- where is the precentral gyrus?
- this is the matter superior to the central sulcus
- central fissure or sulcus
- gap between parietal and frontal lobes
- lateral fissure or sulcus
- gap between temporal lobe and frontal and parietal lobes
- longitudinal fissure
- gap between cerebral hemispheres
- primary motor area
- on the precentral gyrus
- primary sensory area
- postcentral gyrus
- somatosensory association area
- book points to area just under postcentral gyrus
- visual area
- back, lower occipital lobe
- taste area
- bottoms of postcentral gyrus (towards temporal) around ear area
- pituitary gland
- hanging below hypothalamus (anterior and posterior)
- mammillary body
- right behind pituitary gland and optic nerve
- optic nerve
- right below anterior commissure
- optic chiasma
- space between optic nerves
- optic tract
- where optic nerves originate
- olfactory bulb and tract
- on bottom of brain, blob things at front and channels running from blobs to middle of brain
- where is the cerebellum?
- bottom, back of brain, stringy looking
- what are the parts of the midbrain?
- cerebral peduncles and superior and inferior colliculi
- where is the midbrain?
- top of brainstem, being cerebral peduncles and the colliculi
- where are the pons?
- bottom of brain, bulge just above medulla oblongata
- where is the medulla oblongata?
- the very base of the brainstem
- where is the cerebral aqueduct?
- just under corpora quadrigemina, feeding into cerebellum
- where is the corpus callosum?
- large commissure arching over ventricles and middle center of brain
- where is the fornix?
- bottom of the corpus callosum
- where is the septum pallucidum?
- space between fornix and corpus callosum
- what are the basal nuclei?
- clusters of neuron cell bodies, which look like islands of gray matter in white
- where are the basal nuclei?
- around ventricles
- where is the thalamus?
- around the third ventricle, under fornix, smack dead center
- where is the intermediate mass of the thalamus?
- middle of the thalamus
- where's the hypothalamus?
- under anterior commissure, on top of optic nerve
- where is the infuncibulum?
- stalk that holds pituitary gland
- where is the pineal gland?
- back bottom of thalamus, sticks out when you split cerebellum from cerebrum, looking from top
- what is the choroid plexus?
- makes the CSF and is within each ventricle
- where is the choroid plexus?
- aka where are the ventricles? inside the corpus callosum, middle of brain (encapsulated by thalamus) and in front of cerebellum
- where is the lateral ventricle?
- two parts to it; anterior and posterior in front and back of brain (following third ventricle towards outsides of brain in back) and connecting within corpus callosum in front
- where is the third ventricle?
- encapsulated by the thalamus, it spans the cerebral hemispheres
- where is the fourth ventricle?
- in front of the cerebellum, between that and the brainstem
- where is the cerebral cortex?
- outside of brain
- where is the spinal cord in relation to the brain?
- point below the medulla oblongata
- what make up the brain meninges?
- the dura mater, arachnoid mater, pia mater and superior sagittal sinus as well as arachnoid villi
- what are arachnoid villi?
- they are parts of the arachnoid tissue that protrude through the dura mater to allow CSF to drain into blood circulation via sinuses
- where is the superior sagittal sinus?
- this is where blood drains from brain tissue, runs through center of brain, front to back
- does she use the term corpora quadrigemina to refer to the human colliculi?
- can the cerebral peduncles be seen from the dorsal perspective?
- where is the fourth ventricle on the sheep brain?
- leading specifically to the center arbor vitae of the cerebellum
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