What does chalaza mean?
The chalaza is a critical component of an egg, playing a vital role in the development of the embryo. It is a thickened band of membrane that attaches the egg to the shell and provides nourishment to the growing embryo. The chalaza is visible as a white band at the base of the egg and is an essential feature of the egg's structure. In some species, the chalaza is more prominent than in others, but its function remains the same. The study of the chalaza has important implications for our understanding of embryonic development and the biology of reproduction. Overall, the chalaza is a fascinating and complex structure that deserves further research and study.
noun
A chalaza is a thickened band of membrane at the base of an egg, which helps to attach the egg to the shell and provides nourishment to the developing embryo.
- 1. A thickened band of membrane at the base of an egg, which helps to attach the egg to the shell and provides nourishment to the developing embryo.
"The chalaza of the egg was visible as a thick white band at the base of the shell."
"The chalaza of the egg was visible as a thick white band at the base of the shell."
"In some species, the chalaza is more prominent than in others, but its function remains the same."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of chalaza
The word 'chalaza' comes from the Greek word 'chalazos', meaning 'thickened'. It was first used in the 17th century to describe the thickened band of membrane at the base of an egg.
Usage notes
The term 'chalaza' is primarily used in scientific and technical contexts, such as biology and embryology. It is not commonly used in everyday language.