File:Stage14 sem2l.jpg: Difference between revisions

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Carnegie stage 14, day 32, 35 somites, week 5, right ventrolateral view upper embryo.
Carnegie stage 14, day 32, 35 somites, week 5, right ventrolateral view upper embryo.


This image most clearly shows the upper limb bud and the pharyngeal arches.
===Features===
From the cranial end of embryo:
* frontonasal prominence (FNP)
* sensory placodes - optic and nasal
* pharyngeal arches - arch 1 (maxillary and mandibular components, arch 2, arch 3, arch 4 (this single bulge consists of arch 4 and arch 6).
** maxillary - 2 small lateral bulges.
** mandibular - 2 large bulges, note the indentation in the midline.
* stomodeum - between maxillary and mandibular components, at the floor of which was the buccopharyngeal membrane (oral membrane).
* heart bulge
* liver bulge
* upper limb bud - (right) at this stage only a rudimentary bud.
* somite bulges - showing the segmentation pattern of the trunk.




:Links: [[Carnegie stage 14]]
:'''Links:''' [[Carnegie stage 14]] | [[:File:Stage14 sem2l.jpg|labeled 1000px]] | [[:File:Stage14 sem2.jpg|unlabeled 1000px]] | [[:File:Stage14 sem2al.jpg|labeled 800px]] | [[:File:Stage14_sem2cl.jpg|labeled 400px]]
 


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[[Category:Carnegie Stage 14]] [[Category:Placode]] [[Category:Head]] [[Category:Week 5]]
[[Category:Human]] [[Category:Carnegie Stage 14]] [[Category:Placode]] [[Category:Head]] [[Category:Week 5]]

Latest revision as of 12:11, 10 September 2017

Human Embryo Carnegie stage 14

Carnegie stage 14, day 32, 35 somites, week 5, right ventrolateral view upper embryo.

Features

From the cranial end of embryo:

  • frontonasal prominence (FNP)
  • sensory placodes - optic and nasal
  • pharyngeal arches - arch 1 (maxillary and mandibular components, arch 2, arch 3, arch 4 (this single bulge consists of arch 4 and arch 6).
    • maxillary - 2 small lateral bulges.
    • mandibular - 2 large bulges, note the indentation in the midline.
  • stomodeum - between maxillary and mandibular components, at the floor of which was the buccopharyngeal membrane (oral membrane).
  • heart bulge
  • liver bulge
  • upper limb bud - (right) at this stage only a rudimentary bud.
  • somite bulges - showing the segmentation pattern of the trunk.


Links: Carnegie stage 14 | labeled 1000px | unlabeled 1000px | labeled 800px | labeled 400px


Image Source: Scanning electron micrographs of the Carnegie stages of the early human embryos are reproduced with the permission of Prof Kathy Sulik, from embryos collected by Dr. Vekemans and Tania Attié-Bitach. Images are for educational purposes only and cannot be reproduced electronically or in writing without permission.

Embryonic Development


Image Code: Stage14= carnegie stage sem= scanning em 2 = image 2 1000px size l=labeled

Original file name: Stage14day32somite35-ventral-sem2-1000px.jpg


Cite this page: Hill, M.A. (2024, May 18) Embryology Stage14 sem2l.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage14_sem2l.jpg

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

File history

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Date/TimeThumbnailDimensionsUserComment
current10:16, 3 September 2009Thumbnail for version as of 10:16, 3 September 2009630 × 1,000 (96 KB)S8600021 (talk | contribs)Human Embryo Carnegie stage 14, day 32, 35 somites Original file name: Stage14day32somite35-ventral-sem2-1000px.jpg Image Code: Stage14= carnegie stage sem= scanning em 2 = image 2 1000px size l=labeled {{Template:SEM}} {{Template:Footer}}