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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
|
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Neuron class of one interneuron, projects along ventral cord to ring. |
PVT
|
lineage name: ABplpappppa |
WBbt:0004070
|
|
neuron with its cell body situated in the tail, posterior to rectum. |
tail neuron
|
|
WBbt:0006759
|
|
posterior region, from rectum to the end |
tail
|
|
WBbt:0005741
|
|
one member of Amphid neurons, single ciliated endings, probably chemo-sensory; project into ring via commissure from ventral ganglion, make diverse synaptic connections in ring neuropil |
ASKL
|
lineage name: ABalpppapppa |
WBbt:0003884
|
|
one member of Amphid neurons, single ciliated endings, probably chemo-sensory; project into ring via commissure from ventral ganglion, make diverse synaptic connections in ring neuropil |
ASKR
|
lineage name: ABpraaaapppa |
WBbt:0003883
|
|
one member of amphid neurons, single ciliated ending, probably chemo-sensory; project into ring via commissure from ventral ganglion, make diverse synaptic connections in ring neuropil |
ASIL
|
lineage name: ABplaapapppa |
WBbt:0003888
|
|
one member of Amphid neurons, single ciliated endings, probably chemo-sensory; project into ring via commissure from ventral ganglion, make diverse synaptic connections in ring neuropil |
ASIR
|
lineage name: ABpraapapppa |
WBbt:0003887
|
|
Neuron class of one ring motoneuron, projects along dorsal cord, innervates dorsal body muscle. |
RID
|
lineage name: ABalappaapa |
WBbt:0003938
|
