elæoblast (eleoblast)

[ The placenta becomes more sharply marked off from the body of the embryo, at the posterior end of which a structure known as the elœoblast - the equivalent of the notochord-makes its appearance. The embryo is born as a small fully developed salpa, which, however, still po e es the remains of the placenta and the elœoblast . Claus , Zoology (trans.), II. 107. elæoblastic (e-lē-ō-blas'tik), a. [