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The intermediate mesoderm connects the paraxial mesoderm with the lateral plate mesoderm, and differentiates into urogenital structures. [12] In upper thoracic and cervical regions, this forms the nephrotomes. In caudal regions, it forms the nephrogenic cord. It also helps to develop the excretory units of the urinary system and the gonads. [4]
Intermediate mesoderm or intermediate mesenchyme is a narrow section of the mesoderm (one of the three primary germ layers) located between the paraxial mesoderm and the lateral plate of the developing embryo. [1] The intermediate mesoderm develops into vital parts of the urogenital system (kidneys, gonads and respective tracts).
2.2.2 Reproductive system. 2.3 Lateral plate mesoderm. 2.3.1 Hematopoietic stem cell. 2.3.2 Circulatory system. ... mesoderm, and endoderm. Cells derived from ectoderm
The reproductive organs develop from the intermediate mesoderm and are preceded by more primitive structures that are superseded before birth. These embryonic structures are the mesonephric ducts (also known as Wolffian ducts ) and the paramesonephric ducts , (also known as Müllerian ducts ).
The mesoderm germ layer forms in the embryos of triploblastic animals. During gastrulation, some of the cells migrating inward contribute to the mesoderm, an additional layer between the endoderm and the ectoderm. [9] The formation of a mesoderm leads to the development of a coelom. Organs formed inside a coelom can freely move, grow, and ...
The mesoderm around the tubules becomes condensed to form the connective tissue of the kidney. The ureter opens at first into the hind-end of the Wolffian duct; after the sixth week it separates from the Wolffian duct, and opens independently into the part of the cloaca which ultimately becomes the urinary bladder .
This gene is located on chromosome 9. Its location suggests that it is required for the development of testis. XY humans hemizygous for the chromosome 9p, where DMRT1 is located, are often feminized. This feminization can range from ambiguous genitalia to XY sex reversal. The DMRT1 homolog from chicken has been localized on the Z chromosome ...
Paraxial mesoderm, also known as presomitic or somitic mesoderm, is the area of mesoderm in the neurulating embryo that flanks and forms simultaneously with the neural tube. The cells of this region give rise to somites , blocks of tissue running along both sides of the neural tube, which form muscle and the tissues of the back, including ...