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Introduction

Stage 14 embryos have a greatest length of 5 to 7 mm and an estimated postfertilization age of 33 days. The optic cup and lens pit are present and the endolymphatic duct begins. The stage is represented by Carnegie embryo #6502. It has an estimated greatest length of 6.7 mm (after fixation) and is on the borderline of the next stage.

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New structures include abdominal wall, brachial plexus, cerebral hemisphere, esophageal / stomach junction, genital tubercle, hypothalamus, liver, lung sac, nasal pit, trachea.

Section 300

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Embryo

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Right lateral view of the embryo prior to sectioning

Right lateral view of the embryo prior to sectioning

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