Abstract
The central core is an ovoid shaped region at the morphological center of each cerebral hemisphere and its structures display a different pattern of organization from the rest of the brain. Whereas the cerebral lobes have a monotonous arrangement with grey matter on its surface and white matter underneath, the central core is formed by collections of grey matter that appear to be encapsulated by layers of white matter. The central core is basically composed of the insular surface, basal ganglia, and thalamus, connected to the rest of the supratentorial compartment by the cerebral isthmus, represented by the continuation of the internal, external, and extreme capsules toward the cerebral lobes. It also harbors part of the anterior commissure, part of the amygdalofugal pathways and the substantia innominata region. The central core is composed by structures with very different origins and functions, but are found topographically together forming a solid and well-delimited block between the brainstem and the cerebral lobes. The concept of a central core, from an organizational standpoint, facilitates to understand the anatomical disposition of other encephalic regions and, from a neurosurgical perspective, is particularly justified since the complexity and possible morbidities of surgery in this region are very relevant.
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Abbreviations
- ACA:
-
Anterior Cerebral Artery
- Acc.:
-
Accessory
- AChA:
-
Anterior Choroidal Artery
- AComA:
-
Anterior Communicating Artery
- ALS:
-
anterior limiting sulcus
- Amygd.:
-
Amygdala
- Ant. Comm.:
-
Anterior Commissure
- Ant.:
-
Anterior
- APS:
-
Anterior Perforated Substance
- BA:
-
Basilar Artery
- Caud. Nucl.:
-
Caudate Nucleus
- Chor. Fiss.:
-
Choroidal Fissure
- Chor. Plex.:
-
Choroidal Plexus
- Cing.:
-
Cingulate
- Clauscort.:
-
Claustrocortical fibers
- Cor. Rad.:
-
Corona Radiata
- Corp. Cal.:
-
Corpus Callosum
- Cu:
-
Cuneus
- DLPFC:
-
dorsolateral prefrontal cortex
- FLP:
-
frontal limen point
- Fus.:
-
Fusiform
- G.:
-
Gyrus
- Gl.:
-
Gland
- Glob. Pall.:
-
Globus Pallidus
- GPe:
-
external segment of globus pallidus
- GPi:
-
internal segment of globus pallidus
- Hipothal.:
-
Hypothal.Hypothalamic
- Int. Caps.:
-
Internal Capsule
- ICA:
-
Internal Carotid Artery
- IFOF:
-
Inferior Fronto-occipital Fascicle
- IFOF:
-
inferior fronto-occipital fascicle
- ILS:
-
inferior limiting sulcus
- Inf. Chor. Point:
-
Inferior Choroidal Point
- Ins.:
-
Insular
- Int. Caps.:
-
Internal Capsule
- Isth.:
-
Isthmus of Cingulate Gyrus
- ITG:
-
Inferior Temporal Gyrus
- Lat.:
-
Lateral
- Lent. Nucl.:
-
Lentiform Nucleus
- LGB:
-
Lateral Geniculate Body
- LSA:
-
Lenticulostriate Arteries
- MCA:
-
Middle Cerebral Artery
- Mesenc.:
-
Mesencephalon
- Olf.:
-
Olfactory
- OMPFC:
-
orbital and medial prefrontal cortex
- Opt. Rad.:
-
Optic Radiation
- Opt.:
-
Optic
- Parac.:
-
Paracentral Lobule
- Parahip.:
-
Parahippocampal
- PCA:
-
Posterior Cerebral Artery
- PChorA:
-
Posterior Choroidal Arteries
- PComA:
-
posterior communicating artery
- PMChorA:
-
Postero-medial Choroidal Artery
- Post.:
-
Posterior
- PreCu:
-
Precuneus
- RAH:
-
Recurrent Artery of Heubner
- Rect.:
-
Rectus
- S.:
-
Sulcus
- Sept. Pel.:
-
Septum Pellucidum
- Sept.:
-
Septal Region
- SFG:
-
Superior Frontal Gyrus
- SLF:
-
Superior Longitudinal Fascicle
- SLS:
-
superior limiting sulcus
- SNc:
-
pars compacta of substantia nigra
- SNr:
-
pars reticulata of substantia nigra
- STN:
-
subthalamic nucleus
- Subic.:
-
Subiculum
- Thal.:
-
Thalamus
- TLP:
-
temporal limen point
- TPA:
-
Thalamoperforating Arteries
- Transv.:
-
Transverse
- UF:
-
Uncinate Fascicle
- Vent.:
-
Ventricle.
- VP:
-
ventral pallidum
- VS:
-
ventral striatum
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Acknowledgments
We thank the medical student and artist Giovanna Hespanhol Gütschow (Pontifícia Universidade Católica do Paraná - PUCPR - Brazil) for drawing Fig. 7 with great talent and effort.
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Ribas, E.C., Wen, H.T. (2023). The Central Core of the Brain. In: Shah, A., Goel, A., Kato, Y. (eds) Functional Anatomy of the Brain: A View from the Surgeon’s Eye. Springer, Singapore. https://doi.org/10.1007/978-981-99-3412-6_18
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