chalaza Definition
- 1one of two spiral bands of tissue in an egg that connect the yolk to the lining membrane at either end of the shell
- 2a membranous ridge on the side of a bird's bill near the base, to which the muscles that move the lower mandible are attached
Using chalaza: Examples
Take a moment to familiarize yourself with how "chalaza" can be used in various situations through the following examples!
Example
The chalaza keeps the yolk centered in the egg.
Example
The chalaza is a distinguishing feature of the bill of some bird species.
📌
Summary: chalaza in Brief
A 'chalaza' [kuh-lay-zuh] is one of two spiral bands of tissue in an egg that connect the yolk to the lining membrane at either end of the shell. It also refers to a membranous ridge on the side of a bird's bill near the base, to which the muscles that move the lower mandible are attached.