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
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body muscle |
WBbt:0005813
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Complement of nervous tissue (neurones, nerves, receptors and support cells) serving to detect, relay and coordinate information about an animal`s internal and external environments and to initiate and integrate its effector responses and activities. |
nervous system
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WBbt:0005735
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neuron with its cell body situated in the head, excluding the pharynx. |
head neuron
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WBbt:0006751
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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
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dilator muscle |
WBbt:0004292
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a saddle-shaped muscle cell that encircles the intestinal-rectal valve |
anal sphincter muscle
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lineage name: ABprpppppap |
WBbt:0005798
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five pairs of thin gonadal sheath cells form a single layer covering the germ line component of each arm, each pair occupying a stereotyped position along the gonad proximal-distal axis. |
gonadal sheath cell
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WBbt:0005828
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reproductive system
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WBbt:0005747
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