Epidermal layer. |
hypodermis
|
epidermis |
WBbt:0005733
|
a large process bundle that runs along the vental mid-line extending from the ventral region of the nerve ring. |
ventral nerve cord
|
ventral cord |
WBbt:0005829
|
Longitudinal bands of muscle cells surrounding animal body, with one band running in each quadrant of the body, regulated contraction and relaxation of these muscles cause locomotion. |
body wall musculature
|
body muscle |
WBbt:0005813
|
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
|
neuron with its cell body situated in the head, excluding the pharynx. |
head neuron
|
|
WBbt:0006751
|
a single, H-shaped cell which lies just above the anus and connects the roof of the anal canal to the dorsal bodywall; its contractions act to increase the size of the anal opening by lifting the roof of the rectum and hence facilitate expulsion of intestinal contents. |
anal depressor muscle
|
dilator muscle |
WBbt:0004292
|
the most extensive region of neuropil in the animal, consists of a large toroidal bundle of processes. |
nerve ring
|
circumpharyngeal nerve ring |
WBbt:0006749
|