lateral aperture of the fourth ventricle

lateral aperture of the fourth ventricle

an opening between the end of each lateral recess of the fourth ventricle and the subarachnoid space.

Key,

Ernst A.H., Swedish anatomist and physician, 1832-1901.
foramen of Key-Retzius - one of the two lateral openings of the fourth ventricle into the subarachnoid space at the cerebellopontine angle. Synonym(s): lateral aperture of the fourth ventricle
Key-Retzius corpuscles - tactile corpuscles, resembling pacinian corpuscles, found in the beak of certain aquatic birds.
sheath of Key and Retzius - the delicate connective tissue enveloping individual nerve fibers within a peripheral nerve. Synonym(s): endoneurium

Luschka,

Hubert, German anatomist, 1820-1875.
foramen of Luschka - one of the two lateral openings of the fourth ventricle into the subarachnoid space at the cerebellopontine angle. Synonym(s): lateral aperture of the fourth ventricle
Luschka bursa - a cystic notochordal remnant found inconstantly in the posterior wall of the nasopharynx at the lower end of the pharyngeal tonsil. Synonym(s): pharyngeal bursa
Luschka cartilage - a small cartilaginous nodule sometimes found in the anterior portion of the vocal cord.
Luschka crypt
Luschka cystic glands - small mucous tubuloalveolar glands in the mucosa of the larger bile ducts, especially in the neck of the gallbladder. Synonym(s): glands of biliary mucosa
Luschka ducts - glandlike tubular structures in the wall of the gallbladder, especially in the part covered with peritoneum.
Luschka ganglion
Luschka gland - Synonym(s): Luschka tonsil
Luschka joints - small synovial joints between adjacent lateral lips of the bodies of the lower cervical vertebrae. Synonym(s): uncovertebral joints
Luschka ligaments - fibrous bands that pass from the pericardium to the sternum. Synonym(s): sternopericardial ligament
Luschka muscles
Luschka nerve
Luschka sinus - venous sinus in the petrosquamous suture.
Luschka tonsil - a collection of more or less closely aggregated lymphoid nodules on the posterior wall and roof of the nasopharynx. Synonym(s): Luschka gland; pharyngeal tonsil

Retzius,

Magnus G., Swedish anatomist and anthropologist, 1842-1919.
calcification lines of Retzius - incremental lines of rhythmic deposition of successive layers of enamel matrix during development. Synonym(s): lines of Retzius
foramen of Key-Retzius - see under Key, Ernst AH
Key-Retzius corpuscles - see under Key, Ernst AH
lines of Retzius - Synonym(s): calcification lines of Retzius
Retzius foramen - Synonym(s): lateral aperture of the fourth ventricle
Retzius striae - dark concentric lines crossing the enamel prisms of the teeth, seen in axial cross sections of the enamel. Synonym(s): brown striae; striae parallelae
sheath of Key and Retzius - see under Key, Ernst AH
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