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5 Cards in this Set
- Front
- Back
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somites
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segmental embryonic cells, lying in pairs alongside the developing spinal cord.
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why do we ask you to know about somites?
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verebrates like us are segmented animals. Also, we exhibit serial repetition of structures along the longitudinal axis of the body.
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Trunk structures derived from somites
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vertebrae, ribs, skin, axial muscles (back + abs), urogenital systyem, sternum, body wall muscles, kidneys and gonads.
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Non-segmental trunk structures
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digestive system, respiratory system, body cavities and celoms.
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The trunk includes 3 divisions:
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thorax (rib cage), abdomen, pelvis perineum
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