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XB-STAGE-57
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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." |
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| Preceded By: NF stage 42 | Succeeded By: NF stage 44 |