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It is a small spot located just off-center on top of a starfish. That is where the water that is used to operate the tube feet is filtered before entering the animal. It is also called the sieve plate.
Wiki User
∙ 15y ago
Wiki User
∙ 9y agoThe madreporite is a light-colored opening used to filter water into the water vascular system of echinoderms. It acts like a pressure-equalizing valve. It is visible on the surface of the central disk of a sea star.
Wiki User
∙ 13y agoThe madreporite is a structure of the echinoderms body which allows water to flow inside their water canals system. It is also know as the Sieve Plate.
Wiki User
∙ 12y agoIt is called aboral side .
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What is the consistency of the madreporite?
The consistency of madreporite is calcerous. Madreporite has openings like a sponge to filter out water from its system.
Where does water enter a starfish?
Water enters the starfish through the madreporite or the tube feet, but mainly the madreporite.
What is the function of the sieve plate on a starfish?
the sieve plate is a filter for the water that enters the "Water Vascular System" in Echinoderms.
Where is Madreporite visible on a starfish?
It is located on the Aboral surface of the starfish (upper side), and it is sightly off centered, however not to be confused with the anus, the Madreporite is slightly larger than the anus.
What surface are the parts of a starfish visible?
mouth, madreporite, suckers
What is the function of stone canal in water vascular system in see star?
the stone canal connects the madreporite to the ring canal and the ring canal allows water to flow into the radial canals, just tubes...
Where is the madreporite located on a starfish?
The madreporite on a sea star acts like a pressure equalizing valve and is used to filter water. It is located on the surface of the central disk. It is a small yellow or red, button-like structure, looking like a small wart.
What is the central region of a starfish?
The central region, more commonly known as the Central Disk, is the middle of the starfish where the rays start to grow. The Central Disk also contains the pyloric stomach, the anus, the Madreporite, and the stone canalwhich connects the Madreporite to the inner organs.
Where does the water leave a starfish?
It comes and goes through the madreporite - a small valve-like structure on the aboral surface.
What is the central disc of a starfish?
In seastars, the central part of the body which contains the mouth, anus, madreporite, and gonopores and from which the rays radiate.
In words trace the path water takes through the water vascular system?
The water comes into the system via madreporite.
Which structure allows water into and out of the water vascular system?
The structure that allows water into and out of the water vascular system is called the madreporite.
