Carnegie Stage 17 Definition

Age is approximately 41 postovulatory days

Length is approximately 11-14mm

External Features Include: the hand plate exhibits definite digital rays; the foot has acquired a rounded digital plate; nasofrontal grooves are distinct.

 

(O'Rahilly R and Muller F [1987] Developmental Stages in Human Embryos. Carnegie Institute, Washington, Publication no. 637)

 

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