The lamina terminalis stretches upward to fill the interval between the optic chiasm and the rostrum of the corpus callosum. Anterior to this is the lamina terminalis cistern containing the anterior cerebral artery (ACA). Its A2 or postcommunicating segment extends anterior to the lamina and rostrum of the corpus callosum. The cut surface of the anterior communicating artery is also in view connecting the contralateral ACA. In addition, orbital branches of the ACA can be seen coursing on the orbital surface of the frontal lobe. Below the lamina terminalis is the stalk of the pituitary gland with the gland resting in the sella turcica just posterosuperior to the sphenoid sinus. The mammillary body is located on the inferior surface of the hypothalamus. (Image courtesy of AL Rhoton, Jr. The basilar artery terminates by giving off the posterior cerebral arteries within the interpeduncular cistern. Posterior to the basis pons is the pontine tegmentum. The basilar artery courses at or near the midline of the basilar pons. The midbrain tegmentum lies anterior to the cerebral aqueduct. The pineal gland and great cerebral vein are contained within it. From the fourth ventricle cerebrospinal fluid exits into the cisterna magna via paired lateral apertures of Luschka (not labeled) and the median aperture (foramen of Magendie) located in the inferior aspect of the roof of the fourth ventricle. Posterior to the midbrain tectum (consisting of the paired superior and inferior colliculi, the corpora quadrigemina) is the quadrigeminal cistern, a dilation of the subarachnoid space between the splenium of the corpus callosum and superior surface of the cerebellum. The third ventricle communicates via the cerebral aqueduct with the fourth ventricle, which is bounded by the posterior surfaces of the pons and medulla and the cerebellum. The midline third ventricle can be seen, including the massa intermedia, a small, variably present connection of glial tissue between opposing surfaces of the two thalami. This sheet extends from the corpus callosum to the fornix. The anterior horns of the lateral ventricles are separated by a thin, transparent membrane, the septum pellucidum. This section of the website will explain large and minute details of sagittal brain.
#Segital section of thebrain free#
It consists of four parts: rostrum, genu, body, and splenium. This MRI brain cross sectional anatomy tool is absolutely free to use. The left and right cerebral hemispheres are connected by the corpus callosum, the largest commissural structure in the brain. The straight sinus empties posteriorly into the confluence of sinuses. Here, the straight sinus also receives the great cerebral vein (of Galen) which, in turn, receives blood from deep structures via the internal cerebral vein. The lower free edge of this dural fold contains the inferior sagittal sinus, which enters the straight sinus at the intersection of the falx cerebri and tentorium cerebelli. It is separated from the right hemisphere by the midline falx cerebri (largely removed) occupying the interhemispheric fissure.
#Segital section of thebrain serial#
Figre 5.3A: The four parts of the diencephalon, Figure 6.1Ec: Brainstem: Left lateral view, Figure 7.1B: Relationship of the cerebellum to the brainstem, and Figure 10.12B: Sagittal sections: VII and VIII (medial): Principal structures in the serial structures.Mid-sagittal view of the brain and ventricular system. The medial surface of the left cerebral hemisphere is in view. Thieme Atlas of Anatomy: Head and Neuroanatomy. Schuenke, M., Schulte, E., and Schumacher, U. 3.8: Medial view of the bisected brain stem and cerebellum (3/2x).
![segital section of thebrain segital section of thebrain](https://www.purposegames.com/images/games/background/508/508521.png)
3.7, Medial view of the right half of the bisected brain (1/1x), and Fig. 3.2: Lateral view of the brain (1/1x), Fig.
![segital section of thebrain segital section of thebrain](https://powdersvillepost.com/wp-content/uploads/2022/09/Body-Weight-Is-Tied-To-Enzymes-In-The-Brain-Study.jpg)
The Human Central Nervous System, 4th ed. Nieuwenhuys, R., Voogd, J., and van Huijzen, C. 269: Lateral view of the left cerebral hemisphere, and Fig. 22.3: Left lateral aspect of the brain, and Fig: 22.4: The medial surface of the left cerebral hemisphere after sagittal section of the brain, followed by removal of the brain stem and septum pellucidum.
![segital section of thebrain segital section of thebrain](https://dccdn.de/www.doccheck.com/data/xm/5q/4y/l6/g3/e7/2013-02-11-14-06-09_lg.jpg)
22.2: Sagittal section of the brain, with the brain stem removed, showing the medial aspect of the left cerebral hemisphere, Fig.
![segital section of thebrain segital section of thebrain](https://i.ytimg.com/vi/fPssLgox4k8/hqdefault.jpg)
Fig 22.1: Lateral aspect of the left cerebral hemisphere indicating the major gyri and sulci, Fig. New York: Elsevier Churchill Livingstone. Gray’s Anatomy: The Anatomical Basis of Clinical Practice, 39th ed., ed. 7.17: Middle meningeal artery and pterion, Fig.