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A group of six equivalent cells forms a tightly constructed `valve` that links the posterior bulb of the pharynx to the anterior four cells of the intestine. These six cells comprise a small epithelial channel with a cuticular lining in continuity with the pharyngeal cuticle and link the lumen of the pharynx to the large lumen of the anterior intestine. |
pharyngeal-intestinal valve
|
cardia |
WBbt:0005767
|
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the feeding organ, a neuro-muscular pump in the head of the animal, used to ingest food, bacteria suspended in liquid, filter them out, grind them up and transport posteriorly into the instestine. |
pharynx
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esophagus |
WBbt:0003681
|
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The organ in which the eggs are developed and protected until laid. |
uterus
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|
WBbt:0006760
|
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cell that forms intestinal-rectal valve. |
rectal valve cell
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intestinal-rectal valve cell |
WBbt:0005797
|
