Definition of Madreporites. Meaning of Madreporites. Synonyms of Madreporites

- The madreporite's function in maintaining fluid has been experimentally tested on Pisaster ochraceus, wherein sea stars with blocked madreporites were...
- normally accompanied by the appearance of additional madreporites. The presence of multiple madreporites seems to be a prerequisite of fission. In Brazil...
- sieve-like structure on the upper surface of the animal, called the madreporite. This overlies a small sac, or ampulla, connected to a duct termed the...
- central one is the **** ("periproct"). The biggest genital plate is the madreporite. The mouth lies in the centre of the oral surface in regular urchins...
- opens to the exterior through a sieve-like madreporite on the aboral (upper) surface of the animal. The madreporite is linked to a slender duct, the stone...
- covering of the aboral surface. Some are specialised structures such as the madreporite (the entrance to the water vascular system), pedicellariae and paxillae...
- identification remains suspect, as the fossils do not appear to have either madreporites, or plates of stereom, a unique crystalline form of calcium carbonate...
- feeding scars) Very young coral-feeding juvenile with full set of arms and madreporites Young coral-feeding juvenile The late brachiolaria search substrates...
- in the tube feet. This is not connected to external sea water via a madreporite, as in other echinoderms, but only connected through a large number of...
- generally has one madreporite. Others, such as certain Euryalina, have one per arm on the aboral surface. Still other forms have no madreporite at all. Suckers...