Nigger. Nigger is a noun in the English language. The word originated as a neutral term referring to black people, as a variation of the Spanish/Portuguese noun negro, a descendant of the Latin adjective niger.iktionary (5.00 / 1 vote) Rate this definition: nigger (Noun). A dark-skinned person, especially a person of, or primarily of, Negro descent. nigger (Noun). A person of Negro descent who acts in an unapproved manner, usually as an archetypical badass.
The ventricles are shown in blue on the following midsagittal section of the brain. The Ventricles CSF is produced mainly by a structure called the choroid plexus in the lateral, third and fourth ventricles.CSF flows from the lateral ventricle to the third ventricle through the interventricular foramen (also called the foramen of Monro).he third ventricle and fourth ventricle are connected to each other by the cerebral aqueduct (also called the Aqueduct of Sylvius). CSF then flows into the subarachnoid space through the foramina of Luschka (there are two of these) and the foramen of Magendie (only one of these).
Third ventricle. The third ventricle is the narrow vertical cavity of the diencephalon. A thin tela choroidea supplied by the medial posterior choroidal arteries (branch of posterior cerebral artery) is formed in the roof of the third ventricle. The fornix and the corpus callosum are located superiorly.