Carnegie stage 16: Difference between revisions
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Image source: [http://embryology.med.unsw.edu.au/wwwhuman/Stages/stage16.htm Embryology page Created: 19.03.1999] | Image source: [http://embryology.med.unsw.edu.au/wwwhuman/Stages/stage16.htm Embryology page Created: 19.03.1999] | ||
==Additional Images== | |||
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File:External ear stages-14-23-adult.jpg|External ear Stages 14-23 and adult | |||
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{{Template:Carnegie_stages}} | {{Template:Carnegie_stages}} | ||
Revision as of 07:52, 5 April 2010
Introduction
Facts
Week 6, 37 - 42 days, 8 - 11 mm
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 plate, developing arm
Features
Eye showing retinal pigment, nasolacrimal groove, nasal pit, fourth ventricle of brain, umbilical cord, 1st and 2nd pharyngeal arches, cervical sinus, heart, developing arm with hand plate, foot plate
Identify: nasal pit, nasolacrimal groove, eye, 1st, 2nd and 3rd pharyngeal arches, 1st pharyngeal groove, maxillary and mandibular components of 1st pharyngeal arch, auricular hillocks, fourth ventricle of brain, heart prominence, upper limb bud, mesonephric ridge, lower limb bud, umbilical cord Labelled Stage 16
- 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 | About Stages | Timeline
Kyoto Collection
View: This is a dorsolateral view of embryo. Amniotic membrane removed.
Image source: Embryology page Created: 19.03.1999
Additional Images
External ear Stages 14-23 and adult
- 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 | About Stages | Timeline
Image source: The Kyoto Collection images are reproduced with the permission of Prof. Kohei Shiota and Prof. Shigehito Yamada, Anatomy and Developmental Biology, Kyoto University Graduate School of Medicine, Kyoto, Japan for educational purposes only and cannot be reproduced electronically or in writing without permission.
Cite this page: Hill, M.A. (2024, May 18) Embryology Carnegie stage 16. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Carnegie_stage_16
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
