Title: Langman: Embriología Médica (Spanish Translation) Original Author: T.W. Sadler Target Audience: Medical students, nursing students, and residents in early training.
Second Week (Bilaminar Disc): The development of the epiblast and hypoblast, often called the "week of twos" because the trophoblast also differentiates into two layers. Embriologia Langman 9 Edicion Pdf
If you are using the PDF version of the 9th edition, you can expect the following structure: Notochord induces overlying ectoderm to form neural plate