American Heritage Dictionary of the English Language, 5th Edition
Coelenteron Sentence Examples
The ectoderm covers the whole external surface of the animal, while the endoderm lines the coelenteron or gastrovascular space; the two layers meet each other, and become continuous, at the edge of the mouth.
The next event is a great growth in thickness of the gelatinous mesogloea, especially on the exumbral side; as a result the flattened coelenteron is still further compressed so that in certain spots its cavity is obliterated, and its exumbral and subumbral layers of endoderm come into contact and undergo concrescence.
The spore cell gives rise to a " sporelarva," which is set free in the coelenteron and grows into a medusa.
In the wall of the sack is a double layer of endoderm, the space between which is a continuation of the coelenteron.
(2) The body contains but a single internal cavity, the coelenteron or gastrovascular space, which may be greatly ramified, but is not shut off into cavities distinct from the central digestive space.