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NeuroAnatomyTerms2
Neuroanatomy Terms 2
| Question | Answer |
|---|---|
| Internal capsule | Axons from cortex form a compact bundle here. Lateral to diencephalon |
| Internal carotid a. | splits into the ant. CA, Middle CA, Anterior Choroidal Ar. Poster Comm Art |
| Interventricular foramen | Formen between lateral ventricles and 3rd ventricle |
| Lateral column | White matter between the dorsal and ventral horn-"axons from cortex to form synapses w/ motor neurons on ventral horn" |
| Lateral fissure | Fissue between Frontal and Temporal Lobes- Insula is deep in this fissue |
| Lateral ventricles | Hold CSF, large ventricles |
| Lower motor neurons | Post-Synaptic neurons |
| Mammillary bodies | Part of the caudal hypothalamus |
| Medial lemniscus | Ribbon of axons carrying sensory from Gracile/Cuneate Nucleus to Thalamus |
| Medulla | Part of the brainstem. Most inferior or Caudal portion. |
| Medullary pyramids | Base of caudal medulla - corticospinal tract runs here |
| Midbrain | Contains Cerebral Peduncle, Substantia Nigra, Red nucleus |
| Middle cerebral a. | Runs from carotid artery to the lateral edge of cortex-frontal, parietal, supr. temp |
| Middle frontal lobe | Middle of the 3 sections of frontal lobe |
| Middle temporal gyrus | Middle of the 3 parts of temporal lobe- contains wernicke on L side, understanding language |
| Occipital lobe | Most posterior lobe of the cortex. Vision |
| Olfactory bulb | Swelling at the end of the olfactory tract. Holds the olfactory nerve running into cribiform plate |
| Vertebral/ basilar a. | Vertebral arteries come off R&L subclavian, comes together to become Basilar Artery. Posterior circulation uses Basilar Artery. |
| Olfactory tracts | Part of the brain, runs along inferior surface of frontal lobe near midline |
| Optic chiasm | Crossing of some of the axons in CNII (peripheral vision) |
| Parahippocampal gyrus | Inferior surface of temporal lobe- conceals hippocampus |
| Parietal lobe | Sensory information. Located posterior to frontal lobe. |
| Parieto-occipital sulcus | Sulcus that separates the parietal lobe and occipital lobe |
| Pineal gland | Attached to the thalamus by the epithalamus.Superior to superior colliculis |
| Pituitary gland (infundibulum) | Normally attached to hypothalamus via infundibulum |
| Pons | Brainstem structure. Trigeminal nerve comes off here. |
| Postcentral gyrus | Posterior to central sulcus. Somatic sensory lies here. |
| Posterior cerebral art | Fed by the basilar artery. Sits on superior pons. Feeds occipital lobe, inferior temporal lobe |
| Posterior communicating art | Connects middle cerebral art, and posterior cerebral art in the circle of willis |
| Posterior inferior cerebellar artery | Most posterior and inferior artery. Comes off of the vertebral artery, feeds inferior cerebellum?? |
| Posterior spinal artery | Dorsal horn/columns of spinal cord- penetrate posterior 1/3 of spinal cord. |
| Precentral gyrus | Anterior to the central gyrus. This area is the primary motor cortex |
| Primary (first-order) sensory neurons | Presynaptic neurons coming from the periphery to the spinal cord. |
| Putamen | Basal Ganglia. Lateral to Caudate |
| Spinal cord | Information travels to and from the brain by this pathway. |
| Striatum | Caudate Nucleus and Putamen. Very close anatomically. Just called Striatum for ease. |
| Superior cerebellar a. | Comes off the basilar artery, feeds the superior cerebellum |
| Superior colliculi | Dorsal surface of the midbrain- concerned with oculomotor fx and postural adjustmts |
| Superior temporal gyrus | Most superior of the 3 temporal gyri. Just inferior to Lateral Fissue. Involved in Audition. |
| Temporal lobe | Lateral lobes of the cerebral cortex |
| Thalamus | Largest part of the diencephalon. Relays info going into the cortex from other parts of the brain. Motor involvement. |
| Third ventricle | Contains CSF. In the diencephalon. Surrounds the thalamus I think. |
| Upper motor neurons | Presynaptic motor neurons |
| Ventral column | Medial white matter column on the ventral side of the spinal cord. Bundles of fibers, probably motor fibers (I couldn't verify..) |
| Ventral horn | Contains cell bodies of motor neurons that send their axons out via ventral roots |
| Ventral root | Motor neurons leaving the spinal cord. |
Created by:
alison.simpson
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