Ephyra Sentence Examples
The ruins of Pandosia, Ephyra, Elatea, Phoenike, Buthrotum, Akrolissos and other towns may be identified.
The single ephyra carries the sixteen scyphistoma tentacles, which will atrophy and disappear.
The ephyra has a flat, disk-shaped body, with eight marginal lobes (four perradial, four interradial); a tentaculocyst is lodged in a deep notch at the apex of each lobe.
As the 1 The four primitive interradial cathammata disappear in the fully formed ephyra and become replaced by sixteen subradial concrescence-areas without any ostia or ring-canal at the margin.
E, Young ephyra just liberated, showing the eight bifurcate arms of the disk ' and the interradial single gastral filaments.Advertisement
F, Ephyra developing into a medusa by the growth of the adradial regions.
K, M, Mw, Ms, P, R2, ephyra grows in size it gradually takes on the form and structure of the young medusa.
Thus in Pelagia the scyphistoma-stage is free-swimming and changes directly into the ephyra, which in its turn grows into the adult form.
The comparison of the metagenetic type of development, such as that of Aurelia, with the more primitive genera of Scyphomedusae, indicates clearly that the scyphistoma and ephyra are recapitulative larval stages which are represented by the adult forms of primitive genera, making such allowances as are necessary when comparing adult and larval forms. The metagenesis has arisen through the scyphistoma-larva acquiring the power of larval proliferation by budding.
Each segment when detached becomes an ephyra, such as that drawn in fig.Advertisement