Nota: A tradução desta entrada está atualmente em revisão de qualidade, portanto parte do conteúdo é exibida temporariamente apenas em inglês.
Este verbete ainda não foi traduzido para o seu idioma, portanto o original é exibido abaixo.
spandrel
In architecture, this term refers to a specific geometric void. It is most frequently associated with decorative arts, as these spaces are often filled with mosaics or sculptures to mask the structural transition from a curve to a straight edge.
In the context of evolutionary biology, the term is used as a metaphor to describe traits that lack their own adaptive purpose. These biological spandrels are incidental consequences of other evolutionary changes, meaning they exist not because they provide a survival advantage, but because they are structural byproducts of a different, beneficial adaptation.
Meanings
Examples
The artist painted intricate floral patterns in each spandrel of the cathedral arch.
Look at the carved figures filling the spandrel above the doorway.
The bridge spandrel was reinforced with concrete to support the heavy road above.
Water tends to seep through the spandrel walls of older stone viaducts.
Is that specific trait an adaptation or just an evolutionary spandrel?
Is that specific trait an adaptation or just an evolutionary spandrel?
Some biologists argue that the chin is a spandrel resulting from the growth of the jaw.
I wonder if this feature is a functional tool or merely a biological spandrel.
I wonder if this feature is a functional tool or merely a biological spandrel.
The architect decided to leave the spandrel plain to emphasize the curve of the arch.