The velum interpositum is a small membrane containing a potential space just above and anterior to the pineal gland which can become enlarged to form a cavum velum interpositum.. 2. Gross anatomy. Other articles where Velum is discussed: respiratory system: Fishes: A peculiar respiratory structure, the velum, just behind the nostril opening, dangles from the upper midline of the pharynx, resembling an inverted T. Membranous scrolls attached to this horizontal bar can extend downward and then roll upward like window shades. The posterior muscular portion of the palate, forming an incomplete septum between the mouth and the oropharynx, and between the oropharynx and the nasopharynx. Posterior muscular portion of palate, forming an incomplete septum between mouth and oropharynx and between oropharynx and nasopharynx. Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. The velum interpositum is usually a closed space that tapers to a narrow apex just behind the foramen of Monro. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. 3. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. A lively and informative new podcast for kids that the whole family will enjoy. The movable fold, consisting of muscular fibers enclosed in a mucous membrane, that is suspended from the rear of the hard palate and closes off the nasal cavity from the oral cavity during swallowing or sucking. velum [ve´lum] (L.) a covering structure; see also veil. It forms a movable muscular flap that seals off the nasopharynx during swallowing and speech. The movable fold, consisting of muscular fibers enclosed in a mucous membrane, that is suspended from the rear of the hard palate and closes off the nasal cavity from … By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. • Superior medullary velum, anterior medullary velum or valve of Vieussens, white matter, in the brain, which stretches between the superior cerebellar peduncles the posterior fleshy portion of the roof of the mouth. Boundaries. Anatomy The soft palate. Find out information about Velum (anatomy). The velum interpositum is formed by an invagination of pia mater forming a triangular membrane the apex of which points anteriorly.. medullary velum either of the two portions (superior and inferior medullary velum) of the white matter of the hindbrain that form the roof of the fourth ventricle. Velum (anatomy) synonyms, Velum (anatomy) pronunciation, Velum (anatomy) translation, English dictionary definition of Velum (anatomy). la (-lə) 1. Looking for Velum (anatomy)? A combination of velar and gill-pouch contractions directs the flow…. Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content. Biology A covering or partition of thin membranous tissue, such as the veil of a mushroom, a rim of tissue around the margin of the bell of certain cnidarians, or a membrane of the brain. It may have opening that communicates with the quadrigeminal cistern to form the velum interpositum cistern. https://encyclopedia2.thefreedictionary.com/Velum+(anatomy), the posterior fleshy portion of the roof of the mouth. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. There may also be a space above the velum interpositum between the hippocampal commissure and splenium called the cavum vergae. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. The structure at the roof of the mouth that separates the mouth and the pharynx. velum interpo´situm the membranous roof of the third ventricle of the brain. https://medical-dictionary.thefreedictionary.com/Velum+(anatomy). the posterior muscular portion of the palate, forming an incomplete septum between the mouth and the oropharynx and between the oropharynx and the nasopharynx. A peculiar respiratory structure, the velum, just behind the nostril opening, dangles from the upper midline of the pharynx, resembling an inverted T. Membranous scrolls attached to this horizontal bar can extend downward and then roll upward like window shades.
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