Archive image from page 101 of The development of the chick;. The development of the chick; an introduction to embryology . developmentofchi00lill Year: 1908 82 THE DEVELOPMENT OF THE CHICK of the notochord remains attached to the entoderm for a consid- erable period after the formation of the head-fold. A longitudinal section shows the head-process as an appendage to the anterior end of the primitive streak, or the primitive knot (Fig. 42).

---

Size: 2019px × 991px
Photo credit: © Actep Burstov / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1900, 1908, archive, book, bookauthor, bookdecade, bookpublisher, booksponsor, bookyear, drawing, historical, history, illustration, image, lillie_frank_rattray_1870_1947, mblwhoi_library, new_york_holt, page, picture, print, reference, vintage