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O que (quem) é external orifice of aqueduct of vestibule - definição
ORIFICE
Aquæductus vestibuli; Aquaeductus vestibuli; Aquaeduct of vestibule; Aquaeductus cotunnii; Aqueduct of vestibule; Aqueductus vestibuli; Vestibular aqueducts
Laryngeal vestibule
Vestibule of the larynx; Vestibule of larynx; Vestibulum laryngis
The portion of the cavity of the larynx above the vestibular fold is called the laryngeal vestibule; it is wide and triangular in shape, its base or anterior wall presenting, however, about its center the backward projection of the tubercle of the epiglottis. It contains the vestibular folds, and between these and the vocal folds are the laryngeal ventricles.
Cerebral aqueduct
![Transverse section through [[mid-brain]]; number 2 indicates the cerebral aqueduct.](https://commons.wikimedia.org/wiki/Special:FilePath/Gray710.png?width=200 "Transverse section through [[mid-brain]]; number 2 indicates the cerebral aqueduct.")
CONDUIT FOR CSF TO THE BRAIN
Mesencephalic duct; Aqueduct of Sylvius; Cerebral Aqueduct; Sylvian aqueduct; Cerebral aquaduct; Aqueductus Sylvii; Aqueduct of sylvius; Aquaeductus cerebri; Aquaeductus Sylvii; Mesocoel; Aqueductus cerebri; Aqueductus mesencephali; Aquaeductus sylvii
The cerebral aqueduct (aqueductus mesencephali, mesencephalic duct, sylvian aqueduct or aqueduct of Sylvius) is a conduit for cerebrospinal fluid (CSF) that connects the third ventricle to the fourth ventricle of the ventricular system of the brain. It is located in the midbrain dorsal to the pons and ventral to the cerebellum.
Cochlear aqueduct
Aquæductus cochleæ; Aquaeductus cochleae; Aqueduct of cochlea
Medial to the opening for the carotid canal and close to its posterior border, in front of the jugular fossa, is a triangular depression; at the apex of this is a small opening, the aquaeductus cochleae (or cochlear aqueduct, or aqueduct of cochlea), which lodges a tubular prolongation of the dura mater establishing a communication between the perilymphatic space and the subarachnoid space, and transmits a vein from the cochlea to join the internal jugular vein.
Wikipédia
Vestibular aqueduct
At the hinder part of the medial wall of the vestibule is the orifice of the vestibular aqueduct, which extends to the posterior surface of the petrous portion of the temporal bone.
It transmits a small vein, and contains a tubular prolongation of the membranous labyrinth, the ductus endolymphaticus, which ends in a cul-de-sac, the endolymphatic sac, between the layers of the dura mater within the cranial cavity.
