The development of the human body; a manual of human embryology . Fig. 55.—Diagram of a Longitudinal Section through an Embryo OF MM. al, Allantois; am, amnion; B, belly-stalk; ch, chorion; h, heart; ucneurenteric canal; Y, chorionic villi; Y, yolk-sac.—(von Spec.) (Fig. 40) so that their edges finally come into contact andlater fuse, the two ectodermal layers forming the oneuniting with the corresponding layers of the other (). By this process the medullary groove becomes con-verted into a medullary canal which later becomes the THE MEDULLARY CANAL. 115.

---

Size: 3014px × 829px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectembryol, bookyear1902