On the Differentiation and Migration of the Wolffian Duct in Avian Embryos

Jacob, M.; Jacob, Herbert; Seifert, Roswitha

doi:10.1007/978-1-4615-3458-7_7

Cited by 3 publications

(4 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…1992). Our morphological observations support these findings, and it is likely that components of the extracellular matrix, such as fibronectin and laminin, influence the migration of the cells of the duct rudiment (Jacob et al. 1991, 1992; Bellairs et al.…”

Section: Discussionsupporting

confidence: 82%

“…10). Previous workers have noted that the extension of the duct rudiment is caused by the migration and proliferation of cells from its anterior part, rather than by the supply of cells in situ from the adjacent intermediate mesoderm (Martin, 1971), and that duct extension is more rapid than somitogenesis (Jacob et al. 1992).…”

Section: Discussionmentioning

confidence: 99%

“…In the last two decades, the nephric duct has been investigated in detail using the electron microscope, both with regard to its early development and its posterior extension (Jacob et al. 1986, 1991, 1992; Jarzem & Meier, 1987; Bellairs et al.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Origin and development of the pronephros in the chick embryo

Hiruma

Nakamura

2003

Journal of Anatomy

View full text Add to dashboard Cite

The process by which the pronephros develops was morphologically examined in chick embryos from HamburgerHamilton stage (ST) 8+ to ST34. The intermediate mesoderm, from which the pronephros arises, was first seen as a faint ridge of undifferentiated mesoderm between the segmental plate and lateral plate at ST8+. It formed a cell cord at the level of the 6th to the presumptive 13th somites at ST9 to ST10. This cell cord then separated into dorsal and ventral parts, the former becoming the nephric duct and the latter the tubules by ST14. The primordia of the external glomeruli (PEGs) appeared at ST15 through some epithelial cells protruding in the nephrostome (the opening of the nephric tubule into the body cavity). PEGs formed gradually in the caudal direction until ST18, while the pronephric tubules and PEGs in cranial locations disappeared. At this stage, only a few PEGs remained at the level of the 13th and 14th somites and these developed from ST23 to ST29 to become ultrastructurally similar to the glomeruli of the functional kidney. From these observations in the avian pronephros, we infer that the pronephric duct and tubules both form from a cell cord in the intermediate mesoderm and at the same time, but later develop differently.

show abstract

Section: Discussionsupporting

confidence: 82%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Origin and development of the pronephros in the chick embryo

Hiruma

Nakamura

2003

Journal of Anatomy

View full text Add to dashboard Cite

show abstract

“…Experimental and morphological data suggest that the extension of the Wolffian ducts along their caudal path is not only the result of proliferation, but of active migration of the cells at their posterior tips (Jacob et al, 1992). Furthermore, experiments performed in chicken embryos (Grünwald, 1937;Jacob and Christ, 1978) show the significance of the mesenchymal tip of the Wolffian duct: as following its extirpation, migration of the duct stops and the mesonephros fails to develop on the operated side (Fig.…”

Section: Migration Of the Wolffian Ductsmentioning

confidence: 97%