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Fourth ventricle. Ventriculus quartus. Synonyms: none. The fourth ventricle is one of the interconnected fluid-filled cavities within the human brain. There are four of these cavities in the brain, three of which are located within the cerebrum (two lateral ventricles and the third ventricle).
The fourth ventricle is one of the four connected fluid-filled cavities within the human brain. These cavities, known collectively as the ventricular system, consist of the left and right lateral ventricles, the third ventricle, and the fourth ventricle.
While the fourth ventricle might seem like just another chamber in the brain’s plumbing system, its functions are far more complex and vital than you might imagine. Let’s explore some of the crucial roles this tiny cavity plays in keeping our brains healthy and functioning optimally.
As we’ve explored, the fourth ventricle of the brain is far more than just a fluid-filled cavity. It’s a crucial component of our neurological system, playing vital roles in CSF circulation, brainstem protection, and overall brain health.
The fourth ventricle is the most inferiorly located ventricle, draining directly into the central canal of the spinal cord. Superiorly, it connects to the third ventricle through a thin canal called the cerebral aqueduct of Sylvius.
Fourth Ventricle. The fourth ventricle is the last in the system – it receives CSF from the third ventricle via the cerebral aqueduct. It lies within the brainstem, at the junction between the pons and medulla oblongata. From the 4th ventricle, the fluid drains into two places: Central spinal canal – bathes the spinal cord
The fourth ventricle is a diamond-shaped structure that runs alongside your brain stem. It has four openings through which cerebrospinal fluid drains into an area surrounding your brain ( subarachnoid space) and the central canal of your spinal cord.
The fourth ventricle is the most inferior of the four ventricles. It is situated in the brainstem where the ventricular surface of the rhombencephalon constitutes its floor (rhomboid fossa): inferior to the midbrain, posterior to the pons, anterior to the cerebellum and superior to the medulla oblongata.
The fourth ventricle is located in the hindbrain. Each lateral ventricle, one on each side of the brain, sits in a “C” shape. Each side connects to the third ventricle by the interventricular foramina.
Fourth Ventricle. The fourth ventricle is a broad, tent-like cavity of the hindbrain filled with CSF. It is bounded anteriorly by the pons and cranial half of medulla and posteriorly by the cerebellum. It appears triangular on the sagittal section and rhomboidal on a horizontal section.