What is madreporite?
Understand the Problem
The question is asking for a definition or explanation of 'madreporite', which is a specific biological structure in echinoderms (such as starfish). It is involved in the water vascular system and plays a role in respiration and locomotion.
Answer
A porous, calcareous structure used to filter water into the water vascular system of echinoderms.
The madreporite is a porous, calcareous structure used to filter water into the water vascular system of echinoderms.
Answer for screen readers
The madreporite is a porous, calcareous structure used to filter water into the water vascular system of echinoderms.
More Information
The madreporite is often referred to as a sieve plate due to its structure and function. It connects to the internal water vascular system through the stone canal and helps in regulating the entry of seawater to maintain fluid balance.
Tips
Students often mistake the madreporite for a reproductive or digestive element, but it is part of the circulatory system in echinoderms.
Sources
- Madreporite - Wikipedia - en.wikipedia.org
- The Ins and Outs of the Madreporite - ThoughtCo - thoughtco.com
- Madreporite | anatomy - Britannica - britannica.com
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