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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
|
|
female genital. |
vulva
|
|
WBbt:0006748
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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
|
|
an accordion-like tube that contains sperm and is the site of oocyte fertilization. |
spermatheca
|
|
WBbt:0005319
|
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a saddle-shaped muscle cell that encircles the intestinal-rectal valve |
anal sphincter muscle
|
lineage name: ABprpppppap |
WBbt:0005798
|
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H-shaped cell associated with the excretory system, largest cell in C. elegans. |
excretory cell
|
excretory canal cell |
WBbt:0005812
|
|
Amphid socket cell, left |
AMsoL
|
lineage name: ABplpaapapa |
WBbt:0003931
|
|
Amphid socket cell, right |
AMsoR
|
lineage name: ABprpaapapa |
WBbt:0003929
|
|
posterior segment of pharyngeal corpus. |
metacorpus
|
|
WBbt:0003711
|
|
epithelium connecting intestine and anus. |
rectal epithelium
|
|
WBbt:0005800
|
|
a section of pharynx of which muscles contract with a peristaltic motion. |
isthmus
|
|
WBbt:0003734
|
|
anterior section of pharyngeal corpus. |
procorpus
|
|
WBbt:0003713
|
|
Somatic gonad precursor cell |
Z1
|
lineage name: MSpppaap |
WBbt:0004577
|
|
Somatic gonad precursor cell |
Z4
|
lineage name: MSappaap |
WBbt:0004574
|
|
the last, posterior bulb of the pharynx. |
terminal bulb
|
|
WBbt:0003732
|
|
Neuron class of one pharyngeal interneuron, anterior sensory. |
I3 neuron
|
I3 |
WBbt:0004742
|
|
the first, anterior bulb of the pharynx. |
corpus
|
|
WBbt:0003733
|
