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An interfacial epithelial cell which forms a distal cap on a sheath cell to bind the sheath of a sensillum to the neighboring hypodermis, via adherens junctions. There is often a narrow opening through the socket from the exterior into the sheath channel, allowing ciliated dendrites to be exposed to the external environment. The socket cell functions similarly to a glial cell. |
socket cell
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WBbt:0005750
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a structural (glial) cell which forms an specialized environment surrounding the sensory ending(s) of one or more neurons; sometimes accompanied by a more distal socket cell. In early development of the sensory nerves and of the nerve ring some sheath cells (cephalics and labials) may also provide a substrate for axon guidance |
neuronal sheath cell
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pocket cell |
WBbt:0005811
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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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Small linear ridges running along the lateral lines of the cuticle, lengthwise along the body; these thickenings lie in register with the seam cells which likely produce them and are present in the cuticle of the L1, dauer and adult stages, but not in other larval stages. The alae are suspected to provide better traction when the animal generates a bodywave. Since the animal usually lies on its side, the alae are in perfect position to catch against the substrate. |
cuticular ala
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alae |
WBbt:0007832
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