Key, Ernst A.H.

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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
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