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the mesoderm lying at either side of the midline embryonic notochord; on segmentation, it forms the paired somites.
Mesoderm lying immediately lateral to the neural tube and notochord.
See also: mesoderm
the middle of the three primary germ layers of the embryo, lying between the ectoderm and entoderm; from it are derived the connective tissue, bone, cartilage, muscle, blood and blood vessels, lymphatics, lymphoid organs, notochord, pleura, pericardium, peritoneum, kidneys and gonads.
located outside the developing embryo and forming its accessory organs.
adjacent to the mid line beneath the epiblast of the embryo which develop into somites.
the outer layer of the developing mesoderm.
the inner layer of the developing mesoderm.