Interventricular foramen: An opening between the lateral and third ventricles in the system of four communicating cavities within the brain that are continuous with the central canal of the spinal cord.
What passes through the interventricular foramen?
Function. The interventricular foramina connect the lateral ventricles to the third ventricle. This allows cerebrospinal fluid produced in the lateral ventricles to reach the third ventricle and then the rest of the brain’s ventricular system.
What is another name for interventricular foramen?
The interventricular foramen, also known as foramen of Monro, is part of the ventricular system and the connection between the third ventricle and the lateral ventricle.
Where is interventricular foramen located?
The interventricular foramen is located between the thalamus and anterior pillar of the fornix, at the anterior margin of the body. The 2 interventricular foramens (or foramina of Monro) connect the lateral ventricles with the third ventricle.
What does interventricular mean?
Definition of interventricular
: situated or occurring between ventricles the interventricular septum of the heart interventricular brain hemorrhage.
What happens if the interventricular foramen is blocked?
Depending on the location of the obstruction, there is selective dilatation of ventricles. Obstruction at interventricular foramina leads to dilatation of one or both the lateral ventricles (e.g.,intraventricular hemorrhage in premature infants).
What connects the 3rd and 4th ventricles?
The third ventricle is connected to the fourth ventricle by a canal called the Aqueduct of Sylvius or cerebral aqueduct.
Which passageway connects the third and fourth ventricles?
The third ventricle communicates with the fourth ventricle via the cerebral aqueduct, also called the aqueduct of Sylvius, which travels through our midbrain.
Where does CSF flow?
CSF flows from the lateral ventricles to the third ventricle via the foramen of Monro. From here, it flows across the cerebral aqueduct of Sylvius to the fourth ventricle and onto the subarachnoid space through the apertures of Magendie and Luschka [3].
What is a foramen of Monro?
Foramen of Monro is small slit like communicating channel between paired lateral ventricle and third ventricle cavity on either side which become clinically significant when obstructed thus leading to non-communicating hydrocephalus.
What is foramen of Luschka?
Background: The foramen of Luschka is a natural aperture between the fourth ventricle and the subarachnoid space at the cerebellopontine angle. Membranous closure of this foramen is referred to as primary obstruction.
Where is CSF reabsorbed?
CSF egressing through the foramen of Lushka travels into the subarachnoid space of the cisterns and subarachnoid space overlying the cerebral cortex. The CSF from the subarachnoid space is eventually reabsorbed through outpouchings into the superior sagittal sinus (SSS) known as the arachnoid granulations.
How many Foramens are in the skull?
A foramen (plural: foramina ) is an opening inside the body that allows key structures to connect one part of the body to another. The skull bones that contain foramina include the frontal, ethmoid, sphenoid, maxilla, palatine, temporal, and occipital. There are 21 foramina in the human skull.
What produces CSF?
Abstract. According to the traditional understanding of cerebrospinal fluid (CSF) physiology, the majority of CSF is produced by the choroid plexus, circulates through the ventricles, the cisterns, and the subarachnoid space to be absorbed into the blood by the arachnoid villi.
What is the root word for interventricular?
| Hits: 13750. UPDATED: The prefix [inter-] means “between”. The root term [ventricul-] refers to a ventricle, from the Latin [ventriculus], meaning “little sac” or “little belly”.
What is the function of the interventricular septum?
The interventricular septum separates the ventricles and allows for proper blood flow through the heart: from the right atrium through the tricuspid valve to the right ventricle to the lungs, back to the left atrium, followed by the left ventricle through the mitral valve.
What is interventricular septum made of?
The interventricular septum is a complex structure composed of muscular and fibrous tissue.
