Concha

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Concha

 

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.

concha

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.
References in periodicals archive ?
The characteristics of this very rare case of polyps in bilateral conchae bullosa support the hypotheses that a concha bullosa is actually a pneumatized structure of the paranasal sinus system, and that it is connected to the frontal recess by an ostium.
In this article, we describe a very unusual case of bilateral massive conchae bullosa that did not compromise sinus drainage.