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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
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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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H-shaped cell associated with the excretory system, largest cell in C. elegans. |
excretory cell
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excretory canal cell |
WBbt:0005812
|
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Four processes (canals) of the excretory canal cell each contain a central collecting lumen which feeds to a central lumenal canal in the cell body; the central canal forms a specialized membrane to release fluids into the excretory duct. These five canals form a continuous H-shaped channel which extends almost the full length of the body, generally in contact with the lateral hypodermis and the pseudocoelom. |
excretory canal
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canal |
WBbt:0005775
|
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cell that forms intestinal-rectal valve. |
rectal valve cell
|
intestinal-rectal valve cell |
WBbt:0005797
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