What is a germ in that 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 its likeness to a moner. Haeckel called?

monerula — A germ in that 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 its likeness to a moner. Haeckel. (Webster's 1913.)

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