Webfourth ventricle: [ ven´trĭ-k'l ] a small cavity or chamber, as in the brain or heart. ventricle of Arantius 1. the rhomboid fossa, especially its lower end. 2. cavity of septum pellucidum . fifth ventricle cavity of septum pellucidum . fourth ventricle a median cavity in the hindbrain, containing cerebrospinal fluid. ventricle of larynx the ... WebVentricles are hollow cavities of the brain, that contain the cerebrospinal fluid (CSF), which circulates within the brain and spinal cord. There are all together four ventricles in the human brain, that constitute the …
Brain Ventricles: Anatomy, Function, and Conditions - Verywell Health
WebThe cavum was occasionally referred to as the fifth ventricle, but this is no longer used because the space is usually not continuous with the ventricular system. The fifth … WebApr 12, 2024 · Ventriculus terminalis (VT) or fifth ventricle is a space filled with cerebrospinal fluid (CSF) which is coated by ependymal cells in conus medullaris of medulla spinalis. It was first described by Stilling in 1859. In 1875 Krause used the term "fifth ventricle" after observing that the walls of the cavity consisted of normal ependymal cells. dod images
The Slowly Enlarging Ventriculus Terminalis - PubMed
WebMar 23, 2024 · Cystic dilatation of the 5th ventricle; Ependymal cyst of the medullary conus; URL of Article. Cyst of the medullary conus is a rare benign ependymal cyst of the conus medullaris which probably relates to abnormal persistence and cystic dilatation of the ventriculus terminalis or "5 th ventricle". This entity can be symptomatic and present in ... WebIn an initial report in 1859 by Stilling, the VT was identified as a ventricular structure enclosed by ependymal tissue and was called a terminal ventricle, an ependymal cyst, or the fifth ventricle. In the 7 th week after conception, the VT is detectable in the caudal neural tube, regression, and regressive differentiation begins on day 48. WebMar 23, 2024 · The ventriculus terminalis (or persistent terminal ventricle, or terminal ventricle of Krause, or 5th ventricle ) is an ependymal -lined fusiform dilatation of the terminal central canal of the spinal cord , … dod ipg