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neuroanatomy
Stack #156010
| Question | Answer |
|---|---|
| limbic system components | amygdala, hippocampus, cingulate gyrus, hypothalamus, thalamus |
| limbic system fcts | emotion, memory, behavior related to sexual fct, appetite, aggression |
| amygdala | involved in signalling of emotions such as fear, reward and motivation, involved in social fcts and mating |
| hippocampus | involved in storage of long term memories |
| cingulate gyrus | involved in attention, cognitive processing, also affects autonomic fcts such as BP and HR |
| hypothalamus | regulates hormone production, connects limbic system in the physical expression of emotions, regulates autonomic fct including temp, BP, HR, ion/electrolyte balance, homeostatic mechanisms hunger, thirst. |
| thalamus | relay station to the cortex |
| dentate gyrus | may be involved in the formation of new memories and regulating happiness |
| nucleus accumbens | center involved in reward, pleasure, addiction |
| orbitofrontal cortex | part of limbic system, involved in decision making |
| mamillary body | involved in formation of memory |
| symptoms of cerebellar disorders | ataxia, hypotonia, intention tremors, dysdiadocokinesis, aesthenia,dymsmetria, pendular reflexes, speech disorders/dysarthria |
| midbrain cranial nerve associations | CN III, IV |
| pons cranial nerve associations | CN V |
| pontine/medulla cranial nerve associations | CN VI, VII, VIII |
| medulla cranial nerve associations | CN IX,X, XII |
| basal ganglia | corpus striatum in cerebral hemispheres,subthalamic nuclei,substantia nigra in midbrain,caudate, putamen, globus pallidus. |
| basal ganglia function | regulating/modulating ms tone, smoothness of movements |
| extrapyramidal system | made up of cerebellum and basal ganglia, in dz causes a problem with ms tone, or modulation of movement |
| basal nucleus of meynart | degredation of this nucleus is thought to be the cause of Alzheimer's dz, base of the frontal lobe just lateral to the optic chiasm |
| VPL and VPM | nuclei in the thalamus that send info to the somatosensory cortex from the spinothalamic tracts |
| Anterior cerebral artery | supplies medial and superior surfaces of brain and frontal pole |
| Middle cerebral artery | sipplies lateral surface of frontal lobe, parietal lobe, and temporal lobe |
| posterior inferior cerebellar artery | supplies inferior vermis, central and undersurface of cerebellum, medulla |
| Anterior inferior cerebellar artery | supplies anterior and inferior cerebellum, pons and upper medulla |
| Superior cerebellar artery | supplies inferolateral and medail surfaces of the temporal lobe, lateral and medial occipital lobe, thalamus and midbrain |
| posterior cerebral artery | supplies midbrain, posterior temporal lobe, and occipital lobe. |
| superior cerebral veins | drain superolateral surface of brain |
| Inferior and superficial middle cerebral veins | drain inferior, inferoposterior and deep aspects of cerebral hemispheres of brain |
| great cerebral vein (of Galen) | single midline vein,merges with inferior saggital sinus to form the straight sinus |
| superior and inferior cerebellar veins | drain cerebellum |
Created by:
jelyons3
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