Brain and spinal cord reference, regions, connections, blood supply, function, and clinical signs.
297 brain & spinal cord
297 brain & spinal cord · alternate versions listed on each card
Brain StructureNucleus Basalis of Meynertnucleus basalisHead & SkullThe nucleus basalis of Meynert is a group of large cholinergic neurons in the basal forebrain,…
Brain StructureNucleus Dorsalis of Clarkenucleus thoracicus posteriorSpineClarke nucleus (nucleus dorsalis or posterior thoracic nucleus) is a column of large neurons at the…
Brain StructureNucleus of the Solitary Tractnucleus tractus solitariiHead & SkullThe nucleus of the solitary tract is a long sensory column in the dorsal medulla that…
Brain StructureObexobexHead & SkullThe obex is the point at the lower tip of the fourth ventricle where it narrows…
Brain StructureOccipital Lobelobus occipitalisHead & SkullThe occipital lobe is the smallest lobe, forming the back of each hemisphere behind the parieto-occipital…
Brain StructureOccipital Polepolus occipitalisHead & SkullThe occipital pole is the rounded back tip of each cerebral hemisphere. It contains the part…
Brain StructureOculomotor Nucleusnucleus nervi oculomotoriiHead & SkullThe oculomotor nucleus is the motor nucleus of cranial nerve III, lying in the upper midbrain.…
Brain StructureOlfactory Bulbbulbus olfactoriusHead & SkullThe olfactory bulb is an oval swelling of brain tissue on the underside of each frontal…
Brain StructureOlfactory Striaestriae olfactoriaeHead & SkullAt the back end of the olfactory tract, fibres split into the lateral and medial olfactory…
Brain StructureOlfactory Tracttractus olfactoriusHead & SkullThe olfactory tract is a narrow band of nerve fibres running backwards from the olfactory bulb…
Brain StructureOliveolivaHead & SkullThe olive is an oval bulge on each side of the front of the medulla, just…
Brain StructureOpercula of the Insulaopercula insulaeHead & SkullThe opercula are the 'lids' of cortex from the frontal, parietal and temporal lobes that fold…
Brain StructureOptic Chiasmchiasma opticumHead & SkullThe optic chiasm is the X-shaped junction where the two optic nerves meet above the pituitary…
Brain StructureOptic Radiationradiatio opticaHead & SkullThe optic radiation, or geniculocalcarine tract, carries visual information from the lateral geniculate nucleus of the…
Brain StructureOptic Tracttractus opticusHead & SkullThe optic tract continues from the back of the optic chiasm and curves around the cerebral…
Brain StructureOrbital Gyrigyri orbitalesHead & SkullThe orbital gyri form the underside of each frontal lobe, resting on the orbital plate of…
Brain StructureOrbitofrontal Cortexcortex orbitofrontalisHead & SkullThe orbitofrontal cortex is the prefrontal cortex on the underside of the frontal lobes, above the…
Brain StructureOrganum Vasculosum of the Lamina Terminalisorganum vasculosum laminae terminalisHead & SkullThe organum vasculosum of the lamina terminalis is a small circumventricular organ in the front wall…
Brain StructurePapez Circuitcirculus PapezHead & SkullThe Papez circuit is a loop of connections described by James Papez in 1937: hippocampus, fornix,…
Brain StructureParacentral Lobulelobulus paracentralisHead & SkullThe paracentral lobule is a U-shaped area on the medial surface of the hemisphere where the…
Brain StructureParahippocampal Gyrusgyrus parahippocampalisHead & SkullThe parahippocampal gyrus lies on the underside of the temporal lobe, along the medial edge beside…
Brain StructureParaventricular Nucleus of the Hypothalamusnucleus paraventricularis hypothalamiHead & SkullThe paraventricular nucleus (PVN) is a thin sheet of neurons lining the upper wall of the…
Brain StructureParietal Lobelobus parietalisHead & SkullThe parietal lobe lies behind the central sulcus and above the lateral sulcus, extending back to…
Brain StructureParietooccipital Sulcussulcus parietooccipitalisHead & SkullThe parietooccipital sulcus is a deep groove on the medial surface of each hemisphere that marks…
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