Some suggestions to pages related to developmental biology:
1. Yolk plug suggestion: "It would be helpful if you could briefly explain what the blastopore is and how it is formed in relation to endodermal cells/where the rest of the endodermal cells go. The function of the yolk plug should also be explained, as it goes unmentioned." <https://en.wikipedia.org/wiki/Talk:Yolk_plug>
2. Testis determining factor suggestion: "It would be helpful if you could elaborate on how the SRY gene gets expressed, leading to the production of TDF, as well as the type of signaling pathway that TDF is involved in (specifically leading to primary sex cord development). It gets a little confusing/misleading in the second paragraph with the use of the words gene and protein; "This gene is a DNA-binding protein that enhances other transcription factors, or is a transcription factor itself." It would be helpful if you could clarify that the gene (SRY) codes for a protein (TDF) which then leads to the transcription of the primary sex cords mRNA by some signaling pathway." <https://en.wikipedia.org/wiki/Talk:Testis_determining_factor>