- the middle germ layer of a metazoan embryo.
Origin of mesoderm
Examples from the Web for mesodermic
Historical Examples of mesodermic
This mesodermic epithelium lining the cœlom is called the mesothelium.The Anatomy of the Human Peritoneum and Abdominal Cavity
George. S. Huntington
Even when the cavity is developed in these inferior animals, the digestive functions are fulfilled by the mesodermic cells.Life of Elie Metchnikoff, 1845-1916
Now, the original lens was built out of the ectoderm, while the iris is of mesodermic origin.Creative Evolution
- The middle embryonic germ layer, lying between the ectoderm and the endoderm, from which connective tissue, muscle, bone, and the urogenital and circulatory systems develop.
- The middle of the three primary germ layers of the embryos of vertebrates and other complex animals. In vertebrates, the mesoderm gives rise to the muscles, bones, cartilage, connective tissue, blood, blood and lymph vessels, dermis, kidneys, and gonads. The mesoderm develops during gastrulation from either the ectoderm or the endoderm. The embryos of simpler animals lack a mesoderm. Compare ectoderm endoderm.