UNSW Embryology

Carnegie Stage 11

© Dr Mark Hill (2011)

Acknowledgements

Carnegie Stage 11

About Carnegie stage 11

Facts: Week 4, 23 - 26 days, 2.5 - 4.5 mm, Somite Number 13 - 20

View: This is a dorsolateral view of embryo. Amniotic membrane removed.

Features: rostral neuropore closing, forebrain, neural tube in region of developing spinal cord, somites, caudal neuropore, connecting stalk, amnion

Identify: heart, rostral neuropore closing, forebrain, neural tube in region of developing spinal cord, somites, caudal neuropore, connecting stalk, amnion

Stage 11 Labelled | Stage 11 SEM

Events

Ectoderm: Neural tube continues to close, Rostral neuropore closes

Mesoderm: continued segmentation of paraxial mesoderm (13 - 20 somite pairs), heart tube bending

Next - Carnegie Stages 12

Stage 12 Unlabelled | Stage 12 Labelled

New Carnegie Stages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23

Glossary of Terms

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Numbers

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

UNSW CRICOS Provider Code No. 00098G