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Embryology: Intermediate mesoderm
Transverse section of a chick embryo of forty-five hours’ incubation. * Chordamesoderm: yellow, at notochord. * Paraxial mesoderm: red, at somite. * Intermediate mesoderm: purple, near Wolffian duct. * Lateral plate mesoderm: purple, including "Somatic mesoderm" and "Splanchic mesoderm".
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Latin	'
Gray's	subject #6 50
System
Carnegie stage	[1]
Days	{{{Days}}}
Precursor
Gives rise to	Wolffian duct
MeSH	[2]
Dorlands/Elsevier	/

Intermediate mesoderm is a type of mesoderm that is located between the paraxial mesoderm and the lateral plate.

It develops into the part of the urogenital system (kidneys and gonads)

• forms of urogenital system
• series of short evaginations from each segment grows dorsally caudally
• vestiges of the future kidney, the pronephros briefly appears.
• pronephric duct arises in the intermediate mesoderm just ventral to the anterior somites
• grows caudally until it becomes the cloaca
• it is distinct from the lateral mesoderm, as it is not influenced by the secretion of BMP-4 by the ectoderm, possibly due to the lack of receptors.

External linksEdit

• Embryology at UNC genital-002

• Diagram at lww.com
• Overview at nih.gov

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.