UNSW Embryology

Carnegie Stage 17

© Dr Mark Hill (2008)

Acknowledgements

Carnegie Stage 17 Facts: Week 6, 42 - 44 days, 11 - 14 mm View: Lateral view. Amniotic membrane removed. Features: pigmented eye, nasal pit, nasolacrimal groove, external acoustic meatus, auricular hillock, heart, digital rays, liver pronminance, thigh, ankle, foot plate, umbilical cord Identify: pigmented eye, nasal pit, nasolacrimal groove, external acoustic meatus, auricular hillock, heart, digital rays, liver prominence, thigh, ankle, foot plate, umbilical cord Labelled Stage 17

Events

Ectoderm: sensory placodes, lens pit, otocyst,nasal pits moved ventrally, fourth ventricle of brain

Mesoderm: heart prominence

Head: 1st, 2nd and 3rd pharyngeal arch, forebrain, eye, auricular hillocks

Body: heart, liver, umbilical cord, mesonephric ridge

Limb: upper and lower limb buds, hand digital rays

Next - Carnegie Stages 18

Stage 18 Unlabelled | Stage 18 Labelled

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Carnegie Stage images

The Kyoto Collection images are reproduced with the permission of Prof. Kohei Shiota 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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