rhynchocoel


Also found in: Dictionary.

rhynchocoel

[′riŋ·kō‚sēl]
(invertebrate zoology)
A cavity that holds the inverted proboscis in nemertinean worms.
Mentioned in ?
References in periodicals archive ?
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.