Planula
Chamber's Twientieth Century Dictionary · 1908 · p. 78
plan′ū-la, n. the locomotory embryo of the cœlenterates.— adjs. Plan′ular ; Plan′uliform ; Plan′uloid .
Bu kavram başka kaynaklarda da geçiyor
Stedman's Medical Dictionary: A Practical Medical Dictionary (1920)
The American Illustrated Medical Dictionary (1913)
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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