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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



a semidome that serves as the ceiling of the semi-cylindrical portions of buildings (an apse or niche). The concha, which originated in eastern Hellenistic architecture, was popular in Roman and Byzantine architecture and in medieval Christian religious buildings. It was often filled with mosaics or frescoes depicting Christ, the Virgin Mary, and the Christian saints.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


1. The semidome vaulting of an apse; also called a conch.
2. In Spanish architecture and its derivatives, a decorative element in the form of the interior of a sea scallop; see shell-headed.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
90% of the patients with right sided disease had DNS to right, with associated bilateral concha bullosa in 20% and left agger nasi cell in 10%.
Following the removal of the lateral lamella, a bony enlargement within the concha bullosa was gently separated from the inner surface of the medial lamella, preserving the middle turbinate attachment to the lamina cribrosa.
The Incidence of Concha Bullosa and Its Relationship to Nasal Septal Deviation and Paranasal Sinus Disease.
In the present study of 200 cases Concha bullosa was seen in 86 cases, of which 38 were lamellar and 48 were bulbous.
A concha bullosa of the middle turbinate most commonly drains into the anterior ethmoid sinus.
deviated nasal septum, concha bullosa, prominent agger cells, ethmoiditis at the same sitting.
DNS was the most common variation, 20 (26%); Concha bullosa (CB), 14 (18.2%); paradoxical middle turbinate (PMT), 11 (14.3%); Haller\'s cell, 7 (9.1%); Onodi cells, 6 (7.8%); and pneumatisation of Uncinate process (UP), 4 (5.2%) (Table-1).
Pneumatization of the inferior turbinate, or concha bullosa of the inferior turbinate, is clinically significant when it causes persistent nasal airway obstruction.
Concha bullosa is an aerated turbinate in the nose.
Middle turbinate, Concha Bullosa, Uncinate process, Agger Nasi cells, Haller cells and Posterior ethmoids showed very good agreement.