Carnegie stage 11; 23 - 26 postovulatory days;
13 - 20 pairs of somites; CR = 2.5 - 4.5 mm

external surface of the embryo
lateral medial lateral and medial view

click over the center
of each frame to enlarge

lateral

medial

external surface of the embryo

from: http://nmhm.washingtondc.museum/collections/hdac/stage_11a.htm

multiplanar anatomical topography

from: G. Chiarugi, Embriologia Umana, 1940