Definition of "mesodermal" []

• Of or pertaining to the mesoderm (adjective)

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• "Hydra are wonderful experimental animals in that one can ablate stem cells for a particular tissue type, and still get an animal that develops and lives; do the same thing to a vertebrate, for instance knocking out the mesodermal lineage in the embryo, and you get an aborted blob."
• "Hox genes are primary regulators of the body plan along the length of the animal; they are expressed in overlapping zones that specify morphological regions of the body, such as cervical, thoracic, lumbar, sacral/pelvic, and caudal mesodermal tissues, where, for instance, a thoracic vertebra would have one kind of shape with associated ribs, while lumbar vertebra would have a different shape and no ribs."
• "The remaining mesodermal tissue is then consistently shown in the same orange-red ignoring the overlap with the ectodermal derivatives noted above, but only until we get out to the extraembryonic mesoderm, which shows up in yet another, lighter shade of orange."