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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
|
|
A chain of very large cuboidal cells forming a wide central lumen in which food arrives from the posterior pharynx, is digested, and from which waste products proceed to the rectum. Intestinal rings form in groups of two and four cells surrounding the common lumen; thus the epithelium is only one cell deep at any point, with neighboring cells firmly secured to their neighbors by apical adherens junctions. These cells have very large nuclei and many large vacuoles, yolk granules, and other inclusions; the latter increase in number and electron density as the animal ages. |
intestine
|
gut |
WBbt:0005772
|
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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
|
esophagus |
WBbt:0003681
|
|
Major cell type of nervous tissue, specialized for transmission of information in the form of patterns of impulses. |
neuron
|
neurone |
WBbt:0003679
|
|
a group of hypodermal cells that lie along the apical midline of the hypodermis, at the extreme left and right sides between nose and tail |
seam cell
|
lateral hypodermis |
WBbt:0005753
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adult vulval toroid cell, F, formed by fusion of precursors of lineage names P6.papl, P6.papr, P6.ppal and P6.ppar. |
vulF
|
|
WBbt:0006768
|
|
adult vulval toroid cell, E, formed by fusion of precursors of lineage names P6.paal, P6.paar, P6.pppl and P6.pppr. |
vulE
|
|
WBbt:0006767
|
|
Intestino-rectal valve |
virL
|
lineage name: ABprpappppp |
WBbt:0004511
|
|
Intestino-rectal valve |
virR
|
lineage name: ABprpappppa |
WBbt:0004510
|
|
adult vulval toroid cell, C, formed by fusion of precursors of lineage names P5.ppal, P5.ppar, P7.papl and P7.papr. |
vulC
|
|
WBbt:0006765
|
|
adult vulval toroid cell, D, formed by fusion of precursors of lineage names P5.ppp and P7.paa. |
vulD
|
|
WBbt:0006766
|
|
adult vulval toroid cell, B2. |
vulB2
|
|
WBbt:0006764
|
|
adult vulval toroid cell, B1, formed by fusion of precursors of lineage names P5.papa and P7.ppap. |
vulB1
|
|
WBbt:0006763
|
|
adult vulval toroid cell, A, formed by fusion of precursors of lineage names P5.paaa, P5.paap, P7.pppa and P7.pppp |
vulA
|
|
WBbt:0006762
|
