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extraembryonic mesoderm |
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extraembryonic mesoderm Etymology: L, extra, outside; Gk, en + bryein, to grow, mesos, middle, derma, skin any mesoderm in the uterus that is not involved with the embryo itself. Included are mesoderms in the amnion, chorion, yolk sac, and connecting stalk. 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. extraembryonic mesoderm located outside the developing embryo and forming its accessory organs. paraxial mesoderm adjacent to the mid line beneath the epiblast of the embryo which develop into somites. somatic mesoderm the outer layer of the developing mesoderm. splanchnic mesoderm the inner layer of the developing mesoderm. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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