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Summary Stage Literature (86) Attributions Wiki

Name: NF stage 43

XAO ID: 1000055

Definition: "Nieuwkoop and Faber stage 43, corresponding to an embryo of age 3 days, 15 hr at 22-24 Celsius and having the following external morphological criteria: Lateral line system becoming visible externally. Cement gland losing its pigment. Torsion of intestine about 180 degrees; proctodeum narrower, arched or S-shaped. Length: 7.5 - 8.3 mm."

Preceded By: NF stage 42 Succeeded By: NF stage 44