Rhynchocoel | Article about rhynchocoel by The Free Dictionary
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A cavity that holds the inverted proboscis in nemertinean worms.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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After metamorphic loss of the velar lobes, this presumptive sheath tissue surrounds and eventually fully encases the proboscis and forms a deep proboscis sac (also known as a rhynchocoel
Proboscis and rhynchocoel The proboscis rudiment was first observed as an internal spherical mass of cells with a small lumen close to the anterior end in 2-day-old larvae (Fig.
rudimenl of the rhynchocoel. (E) Sagittal sections, 30-[micro]m sub-stack.