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UNSW Embryology

Carnegie Stage 13 - Scanning EM

© Dr Mark Hill (2009)

Acknowledgements

Stage 13 SEM

Carnegie Stage 13

Facts: Week 5, 28 - 32 days, 4 - 6 mm, Somite Number 30

View: Lateral view. Amniotic membrane removed.

Features: site of midbrain, lens placode, site of nasal placode, 1,2,3 pharyngeal arches, L. ventricular prominence of heart, L. atrial prominence of heart, umbilical cord, lower limb bud, mesonephric prominence, upper limb bud

Identify: site of midbrain, lens placode, site of nasal placode, 1st, 2nd and 3rd pharyngeal arches, L. ventricular prominence of heart, L. atrial prominence of heart, umbilical cord, lower limb bud, mesonephric prominence, upper limb bud Labelled Stage 13

Stage 13 Bright Field

Carnegie Stage 13

Facts: Week 5, 28 - 32 days, 4 - 6 mm, Somite Number 30

View: Lateral view. Amniotic membrane removed.

Features: site of midbrain, lens placode, site of nasal placode, 1,2,3 pharyngeal arches, L. ventricular prominence of heart, L. atrial prominence of heart, umbilical cord, lower limb bud, mesonephric prominence, upper limb bud

Identify: site of midbrain, lens placode, site of nasal placode, 1st, 2nd and 3rd pharyngeal arches, L. ventricular prominence of heart, L. atrial prominence of heart, umbilical cord, lower limb bud, mesonephric prominence, upper limb bud Labelled Stage 13

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Carnegie Stage images

These images are reproduced with the permission of Prof. Kathy Sulik for tutorial/revision purposes and cannot be reproduced electronically or in writing without permission.

UNSW Embryology ISBN: 978 0 7334 2609 4

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