planula
The American Illustrated Medical Dictionary · 1913 · p. 20
(plan’u-lah). The embryo in the stage when it consists of the two primary germ layers (ectoderm and endoderm) only. invaginate p., the gastrula.
Bu kavram başka kaynaklarda da geçiyor
Stedman's Medical Dictionary: A Practical Medical Dictionary (1920)
Chamber's Twientieth Century Dictionary (1908)
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
An Illustrated Encyclopedic Medical Dictionary (1894)
The American Dictionary and Cyclopedia
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