Neuroanatomy Atlas in Clinical Context
70 CHAPTER 4 / MENINGES, CISTERNS, VENTRICLES, AND RELATED HEMORRHAGES
Massa intermedia
Body of lateral ventricle
Pineal recess
Suprapineal recess
Third ventricle
Anterior horn of lateral ventricle
Posterior commissure
Pineal
Atrium of lateral ventricle (and glomus choroideum)
Interventricular foramen
Posterior horn of lateral ventricle
Anterior commissure
Tectum
Lamina terminalis
Cerebral aqueduct
Infundibular recess
Supraoptic recess
Fourth ventricle
Optic chiasm
Infundibulum Mammillary body Amygdaloid nuclear complex
Lateral recess of fourth ventricle
Foramen of Luschka
Dorsal cerebellomedullary cistern (cisterna magna)
Inferior horn of lateral ventricle
Bordering Structures
Ventricular Space
Genu of corpus callosum
Anterior horn of lateral ventricle
Head of caudate nucleus
Septum pellucidum
Body of lateral ventricle (ventral to body of corpus callosum)
Third ventricle
Body of caudate nucleus
Fornix
Suprapineal recess
Amygdaloid nuclear complex
Inferior horn of lateral ventricle
Tail of caudate nucleus
Hippocampal formation
Cerebral aqueduct
Splenium of corpus callosum
Atrium of lateral ventricle (contains glomus choroideum)
Optic radiations
Lateral recess of fourth ventricle
Tapetum
Fourth ventricle
Posterior horn of lateral ventricle Copyright © Wolters Kluwer, Inc. Unauthorized reproduction of the content is prohibited. 2024
4-10 Lateral ( above ) and dorsal ( below ) views of the ventricles and the choroid plexus. The dashed lines show the approxi mate positions of some of the important structures that border on the ventricular space. These structures are easily identified in MRI and/or CT in any plane. The choroid plexus is shown in red , and structures bordering on the various portions of the ventricular spaces are color coded; these colors are continued in Figure 4-11 on the facing page.
Note the relationships between the choroid plexus and various parts of the ventricular system. The large expanded portion of the choroid plexus found in the area of the atrium is the glomus ( glomus choroi deum ). Note the only naturally occurring constrictions to the flow of CSF through the ventricular system are the interventricular foramina (of Monro), cerebral aqueduct, and foramina of Luschka and Magendie of the fourth ventricle.
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