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...
- covering of the aboral surface. Some are specialised structures such as the madreporite (the entrance to the water vascular system), pedicellariae and paxillae...
- 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...
- locomotion. On the upper or aboral surface of the disc is an opening, the madreporite. This is connected to the water vascular system which ****ists in respiration...
- feeding scars) Very young coral-feeding juvenile with full set of arms and madreporites Young coral-feeding juvenile The late brachiolaria search substrates...
- vascular system of holot****ans is similar to other echinoderms, except the madreporite opens in the perivisceral coelom instead of in the external body wall...
- identification remains suspect, as the fossils do not appear to have either madreporites, or plates of stereom, a unique crystalline form of calcium carbonate...