File:Stage13 bf4.jpg

From Embryology

Original file(1,200 × 800 pixels, file size: 132 KB, MIME type: image/jpeg)

Human Embryo Carnegie Stage 13

5mm Embryo appears as Carnegie Stage 13 from ectopic pregnancy.
  • Embryo is enclosed in amniotic membrane.
  • Larger cavity is chorionic space (coelom).
  • Placental villi are visible on left of image.


Embryo Links: Embryo and Placenta | Embryo | Embryo (label) | Embryo (animated) | Embryo (animated large) | Head region | Head region (label) | Body region | Body region (label) | Carnegie stage 13
Stage 13 Links: Week 4 | Week 5 | Somitogenesis | Placodes | Head | Movies | Lecture - Early Vascular | Lecture - Gastrointestinal | Lecture - Head Development | Science Practical - Gastrointestinal | Science Practical - Head | Carnegie Embryos | Category:Carnegie Stage 13 | Next Stage 14
  Historic Papers: 1905 Embryo 148 | 1926 Precervical Sinus | 1945 | 1955


Image: Dr Steven O'Connor (Houston, Texas) - Other embryo images.

Carnegie stage 13
  • Week 4-5, 26 - 30 days, 3 - 5 mm, Somite Number 21 - 29
  • Ectoderm: Neural tube continues to close, Caudal neuropore closes, forebrain
  • Mesoderm: continued segmentation of paraxial mesoderm (21 - 29 somite pairs), heart prominence
  • Head: 1st, 2nd and 3rd pharyngeal arch, forebrain, site of lens placode, site of otic placode, stomodeum
  • Body: heart, liver, umbilical, early upper limb bulge

Virtual Slide - Region of Interest

Stage 13 - Left Ventrolateral View

Stage13 bf4.jpg

 ‎‎Mobile | Desktop | Original

Stage 13 | Embryo Slides
Links: Embryo Virtual Slides | Virtual Slide Permalinks | Carnegie stage 13


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, February 23) Embryology Stage13 bf4.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage13_bf4.jpg

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

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current07:12, 12 August 2011Thumbnail for version as of 07:12, 12 August 20111,200 × 800 (132 KB)S8600021 (talk | contribs)==Human Embryo Carnegie Stage 13== Week 4-5, 26 - 30 days, 3 - 5 mm, Somite Number 21 - 29 * Ectoderm: Neural tube continues to close, Caudal neuropore closes, forebrain * Mesoderm: continued segmentation of paraxial mesoderm (21 - 29 somite pairs), hea

Metadata