The ventricles of the brain

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2018-04-01 20:27:09

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The Ventricles of the brain – a cavity located in all its departments. They are filled with fluid (cerebrospinal). The ventricles of the brain - derived from the cavities of the secondary bubbles on. The inner surface of their walls is covered with ependyma. Allocate only four of the ventricle.

The First left and second right are symmetrical and the cavities of the hemispheres. The ventricles of the brain located under the corpus callosum in the thickness of the cerebral white matter. In each of the selected four areas. The narrow, Central part is located in the parietal lobe. She goes around the thalamus at the top and goes to the front of the anterior horn, the back horn backwards and downwards in the lower horn of the ventricle. The front horn is in the frontal lobe, occipital is the back horn, the bottom horn lies in the temporal lobe. Symmetrical lateral ventricles of the brain separated by a transparent partition front. It consists of two plates.

The Message of each front part with the third ventricle is carried out via the interventricular foramina. With the medial side, is formed a plexus of blood vessels extending to the Central part. It is formed by using part of the vascular meninges that extends into the lower horn of the symmetric ventricles. Plexus of vessels the lateral and third ventricles are connected by an interventricular foramina.

The Third ventricle is the cavity in the intermediate brain. He presented a narrow slit-like space is located in the sagittal plane.

Its side walls formed by medial sections of the thalamus, lower – the hypothalamus. The front of the ventricle is limited from below by a thin plate, passing upward in the columns of the arch. Its rear wall extends in its lower part, in the caudal direction, forming nadcisnienie deepening. On top of the third ventricle is bordered by the corpus callosum and fornix. This wall formed the basis of a plexus of blood vessels. The cavity moves posteriorly in the cerebral aqueduct which is the cavity in the midbrain and connects the third ventricle with the fourth.

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Fourth ventricle of the brain – the cavity of the medulla oblongata and the bridge (a diamond in the embryogenesis of the brain). Rhomboid fossa is its bottom. Over the fourth ventricle is the cerebellum. Its roof is similar to gable tent. Stingrays (brain sails) – records of the substance of the brain. One of the sails (top) is stretched between your legs (top) and forms the rear upper area of the roof. The rear bottom part is formed by the lower slope. It is attached to the lower legs and the slice (piece) of the cerebellum. United at the top of the sail forming the corner, go into it.

To the bottom of the slope adjacent the inside basis of the system of vessels of the fourth ventricle. In vascular thicker made production of cerebrospinal fluid. The cavity canal of the spinal cord is reported in a diamond-shaped fossa in the region of its lower angle.

Rear lower portion of the roof has three holes. The median the largest, located in the Central part of the bottom of the slope. In the area of lateral angles in the rhomboid fossa are the lateral openings. Through these holes is communication between the ventricular cavity and the subarachnoid space.

One of the anomalies that encourage the development of a number of diseases, include the asymmetry of the ventricles of the brain. The common diagnosis is increased intracranial pressure. The identification of this trait may also indicate the presence of a brain tumor or internal hydrocephalus (hypertensive-hydrocephalic syndrome). This concept refers to a complex of symptoms that is causing the deformation (inside and outside) and provoking an increase of the ventricles of the brain.


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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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