monerula definition

  • noun:
    • A germ because stage of development in which its form is simply that of a non-nucleated mass of protoplasm. It precedes the one-celled germ. So called from the likeness to a moner.
    • In embryology, a name given by Haeckel to a supposed non-nucleated phase of an impregnated ovum, when it has got the form-value of a straightforward cytode, or moner.

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  • Sentence for "monerula"
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