Fourth ventricle
Description: Part of the ventricular system of the brain, forming a single large irregularly shaped cavity located on the midline of the rhombencephalon, between the medulla, pons and the isthmus ventrally and the cerebellum dorsally. It is continuous with the cerebral aqueduct anteriorally and the central canal of the spinal cord posteriorly. It communicates with the subarachnoid space through its lateral and median apertures.
Preferred ID: UBERON:0002422 Type: term ID# ILX:0104381 Score: 22998.062
fourth ventricle ependyma
Description: An ependyma that is part of a fourth ventricle [Automatically generated definition].
Preferred ID: UBERON:0004644 Type: term ID# ILX:0729148 Score: 329.77768
fourth ventricle aperture
Description: One of: the 4th ventricle median or lateral apertures.
Preferred ID: UBERON:0004668 Type: term ID# ILX:0735066 Score: 322.4452
Fourth ventricle (swannt)
Description:
Preferred ID: SWAN:1429 Type: term ID# ILX:0740770 Score: 321.7281
fourth ventricle (TA98)
Description:
Preferred ID: ILX:0742230 Type: term ID# ILX:0742230 Score: 319.73654
fourth ventricle (mba)
Description:
Preferred ID: ILX:0770789 Type: term ID# ILX:0770789 Score: 318.8406
fourth ventricle volume FDE
Description: fourth ventricle cerebral spinal fluid volume
Preferred ID: ILX:0381399 Type: fde ID# ILX:0381399 Score: 314.86865
fourth ventricle (bercat)
Description:
Preferred ID: ILX:0773962 Type: term ID# ILX:0773962 Score: 314.65244
fourth ventricle lateral aperture
Description: One of the two lateral openings of the fourth ventricle into the subarachnoid space at the cerebellopontine angle[MP].
Preferred ID: UBERON:0003992 Type: term ID# ILX:0728185 Score: 302.167
Wall of fourth ventricle
Description:
Preferred ID: ILX:0772134 Type: term ID# ILX:0772134 Score: 299.69177
Cavity of fourth ventricle
Description:
Preferred ID: ILX:0771243 Type: term ID# ILX:0771243 Score: 297.48425
fourth ventricle median aperture
Description: The large midline opening of the posterior inferior part of the roof of the fourth ventricle that connects the fourth ventricle to the posterior cerebromedullary cistern and the spinal cord
Preferred ID: UBERON:0003991 Type: term ID# ILX:0730217 Score: 296.1217
Fourth ventricle of WHS11
Description: Delineation of the fourth ventricle of Waxholm mouse brain atlas, as seen in T2* and T2W volumes. Segmentation is based on intensity: region shows high intensity signal. Current segmentation also includes the cerebral aqueduct.
Preferred ID: NLX:143767 Type: term ID# ILX:0104382 Score: 294.5025
lateral recess of fourth ventricle
Description: The lateral recess is a projection of the fourth ventricle which extends into the inferior cerebellar peduncle of the brainstem. The lateral aperture, an opening in each extremity of the lateral recess, provides a conduit for cerebrospinal fluid to flow from the brain's ventricular system into the subarachnoid space.
Preferred ID: UBERON:0007656 Type: term ID# ILX:0736090 Score: 278.6771
lateral eminence of fourth ventricle
Description: 'Lateral eminence of fourth ventricle' is part of the fourth ventricle.
Preferred ID: UBERON:0034672 Type: term ID# ILX:0734681 Score: 272.76617
fourth ventricle choroid plexus epithelium
Description: A choroid plexus epithelium that is part of a fourth ventricle [Automatically generated definition].
Preferred ID: UBERON:0004276 Type: term ID# ILX:0728876 Score: 272.6866
tela choroidea of fourth ventricle
Description: Tela chorioidea that lines the fourth ventricle[ZFA]. The tela chorioidea of the fourth ventricle is the name applied to the triangular fold of pia mater which is carried upward between the cerebellum and the medulla oblongata. It consists of two layers, which are continuous with each other in front, and are more or less adherent throughout: The posterior layer covers the antero-inferior surface of the cerebellum. The anterior layer is applied to the structures which form the lower part of the roof of the ventricle, and is continuous inferiorly with the pia mater on the inferior peduncles and closed part of the medulla[WP].
Preferred ID: UBERON:0005287 Type: term ID# ILX:0727490 Score: 272.26724
Choroid plexus of fourth ventricle
Description: Choroid plexus of the fourth ventricle
Preferred ID: UBERON:0002290 Type: term ID# ILX:0102143 Score: 270.7152
sulcus limitans of fourth ventricle
Description: In the floor of the fourth ventricle, the sulcus limitans separates the cranial nerve motor nuclei (medial) from the sensory nuclei (lateral). In the superior part of the rhomboid fossa, it corresponds with the lateral limit of the fossa and presents a bluish-gray area, the locus ceruleus (which owes its color to an underlying patch of deeply pigmented nerve cells, termed the substantia ferruginea). [WP]
Preferred ID: UBERON:0009573 Type: term ID# ILX:0736901 Score: 269.5761
fourth ventricle choroid plexus stroma
Description: A choroid plexus stroma that is part of a fourth ventricle.
Preferred ID: UBERON:0006340 Type: term ID# ILX:0726195 Score: 269.24567
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