Carnegie stage 16

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Introduction

Stage16 bf1c.jpg

Facts

Week 6, 37 - 42 days, 8 - 11 mm

Gestational Age GA - week 8

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


Links: Week 6 | Head | Lecture - Limb | Lecture - Gastrointestinal | Lecture - Head Development | Science Practical - Gastrointestinal | Science Practical - Head | Category:Carnegie Stage 16 | Stage 17


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

Stage16 bf1.jpg

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

Image source: Embryology page Created: 19.03.1999

Human stage16 face 01.jpg

Ventral view of head region. Ventral view of head region (1 mm scale).


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.

Scanning EM

Stage16 em01.jpg

Ventral view of head showing upper lip, maxilla and nasal region.

Image Source: Prof Virginia Diewert


Carnegie Collection

Stage16 bf5.jpg Stage16 bf6.jpg Stage16 bf7.jpg Stage16 bf8.jpg

Stage16 bf2.jpg Stage16 bf3.jpg Stage16 bf4.jpg

Carnegie stage 16: Right | Posterior | Anterior | Left | Right | Posterior | Left
iBook - Carnegie Embryos  
link=http://itunes.apple.com/au/book/the-carnegie-staged-embryos/id510004473?mt=11 iTunes link
  • iTunes link | iBook Store
  • Description - Imagine the excitement of seeing this incredible early period of human development for the first time. Now consider that much of our initial understanding of human development is based upon study of historic embryo collections. You can now look at these historic images of the first 8 weeks after fertilisation and explore for yourself the changes that occur in human development during this key period. This current book is designed as an atlas of the Carnegie embryo stages with some brief notes and additional information covering the first 8 weeks of development. These images are from from the beginning of last century and are one of the earliest documented series of human embryos collected for basic research and medical education on development. I hope you enjoy learning about the amazing early events that begin to make and shape us. This is the second book in a series of educational releases from UNSW Embryology.
  • Release: First Edition - Mar 12, 2012 ISBN 978-0-7334-3148-7 Print Length 82 Pages, 25.8 MB Language English.
  • PDF Preview version 3.87 MB (Read the associated information, this is an edited educational preview version with many features not functioning).
  • The current website also includes numerous embryo images from this textbook (see Embryonic Development and Carnegie Embryos).

Madrid Collection

Stage16 bf9.jpg Stage16 bf10.jpg
Human Embryo CRL 10.2 mm (stage 16) Human Embryo CRL 10.5 mm (stage 16)

Image source: The Madrid Collection images are reproduced with the permission of Prof. Rodríguez-Vázquez, Head, Embryology Institute of Complutense University of Madrid. Images are for educational purposes only and cannot be reproduced electronically or in writing without permission.

Hill Collection

Hill HH8
HillH8 Stage 16 bf01.jpg HillH8 Stage 16 bf02.jpg
HillH8 Stage 16 bf03.jpg HillH8 Stage 16 bf04.jpg
HillH8 Stage 16 bf05.jpg HillH8 Stage 16 bf06.jpg

Stereo pair animation: right lateral animation | right lateral animation | left lateral animation

Hill HH5
HillH5 Stage 16 bf01.jpg HillH5 Stage 16 bf02.jpg
Links: Hill Collection

Additional Images


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



Cite this page: Hill, M.A. (2024, March 29) Embryology Carnegie stage 16. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Carnegie_stage_16

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G