Nippon Jibiinkoka Gakkai Kaiho
Online ISSN : 1883-0854
Print ISSN : 0030-6622
ISSN-L : 0030-6622
MECHANISMS OF DEVELOPMENT OF ENDOLYMPHATIC HYDROPS FOLLOWING SECONDARY IMMUNE RESPONSE IN THE ENDOLYMPHATIC SAC OF GUINEA PIGS
TOMIYAMA SHUN-ICH
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JOURNAL FREE ACCESS

1991 Volume 94 Issue 12 Pages 1844-1852

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Abstract

Previously the author reported the immediate development of endolymphatic hydrops (e. hydrops) following direct challenge of secondary antigen to the endolymphatic sac (ES) in guinea pigs, during the early phases of postchallenge, ranging from 1 to 5 weeks.
The present study reports the results of specimens taken up to 10 weeks postchallenge, and correlation of e.hydrops to perilymph in antigenspecific antibody levels. From the present results, mechanisms of e.hydrops induced ES immune reaction are suggested as follows. 1) In the early stage of e.hydrops, an acute inflammatory reaction in the ES may produce endolymph by an increased vascular permeability of the inner ear and may impaire endolymph absorption from the ES. 2) In the latter stage of e.hydrops, the moderate cellular infiltration in the ES may cause chronic impairment of endolymph absorption in the ES.

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© Oto-Rhino-Laryngological Society of Japan
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