Carnegie Stage 10


N42   N480   N480
46 XX   46 XY   46 XY


Carnegie Stage 10 Definition


Age is approximately 28 postovulatory days

Length is approximately 1.5 - 3.6mm

External Features Include: the neural tube is closing. First and possibly second pharyngeal arches visible. Looped heart tube visible.

O'Rahilly R and Muller F [1987] Developmental Stages in Human Embryos. Carnegie Institute, Washington, Publication no. 637, and O'Rahilly R, Müller F (2010) Developmental stages in human embryos: revised and new measurements. Cells Tissues Organs. 192:73-84. PMID: 20185898.