Category:Carnegie Stage 22: Difference between revisions

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! colspan=10| [[Carnegie Collection]] - [[Carnegie stage 22|Stage 22]] 
! colspan=10| [[Carnegie Collection]] - [[Carnegie stage 22|Stage 22]] 
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Revision as of 17:24, 29 March 2016

This Embryology category shows pages and media related to embryonic development in week 8, 54 - 56 days, GA week 10. The embryos have a crown rump length (CRL) of 23 - 28 mm. This is the second last stage of the historic 23 Carnegie stages of embryonic development.


There is also a specific Carnegie stage 22 resource page.

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
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 Collection - Stage 22 
Serial No. Size (mm) Grade Fixative Embedding Medium Plane Thinness (µm) Stain Year Notes
392 E., 23 Ch., 45x45x25 Poor ... P Sag. 50 Al. coch. 42 M 1907 Brödel Collection. Injected
405 E., 26 Good Formol C Sag. 40 Carmine 42.5 M 1907
464 E.,26 Ch., 45x40x30 Good Formol? alc? P Sag. 100 Al. coch. 44.5 F 1910
584A E.,25 Ch., 50x42x40 Poor Formol P Sag. 50 Al. coch. 41 ? 1913
630 E., 25 Poor Formol P Trans. 100 Al. coch. 46 F 1913
840 E, 24.8 Good Formol P Trans. 50 Al. coch. 44.5 M 1914
875 E, 27 Ch., 40x28x22 Good Formol P Sag. 40 Al. coch. 45 F 1914
895 E., 26 Ch., 67x62x54 Good Formol P Trans. 25 Al. coch. 46.5 M 1914
1315 E.,25 Good Formol P Sag. 50 Al. coch. 40.5 M 1915 Spina bifida and anencephaly
1458 E., 27.5 Ch, 45x45x30 Exc. Formol C Sag. 50 H.&E. aur, or. G. 45.5 F 1916
1894 E, 24.6 Good Formol c Sag. 40,80 (Stain - Haematoxylin Eosin) aur, or. G. 41 M 1917
2206 E, 27 Ch, 50x30x18 Poor Formol p Trans. 40 H.&E. 44.5 F 1918
3681 E, 26.3 Ch, 36x36x34 Good Formol p Trans. 25 Al. coch. 44.5 F 1921
4304 E,25 Ch, 66x45x45 Good Bouin p Trans. 20 H.&E. 44.5 M 1923 Injected
4339 E, 24.5 Good Formol p Trans. 15 Al. coch, Mallory 46,5 M 1923
4476 E., 26.2 Good Bouin p Trans. 40 H.&E. 46 M 1923 Tubal
4638 E, 23.4 Exc. Bouin p Trans. 15,20 Al. coch, or. G. 41.5 ?? 1924
6701 E, 24 Poor Formol p Cor. 20 H.&E. 41 M 1933
6832 E, 25.8 Exc. Bouin C-P Cor. 20 H.&E. 42 M 1934
8394 E, 25.3 Ch, 48x50x34 Exc. Bouin C-P Trans. 20 H.&E, Masson 44.5 M 1946
8948 E, 26.7 Ch, 61x51x50 Poor Formol-Zenker p Trans. 15 Ag p . 7 1952
Abbreviations
  • Size - E. is the greatest length of the embryo and Ch. is the mean diameter of the chorion.
  • Grade - total grade of the specimen and includes both its original quality and the condition of the mounted sections.
  • Embedding medium - paraffin (P) or a combination of celloidin and paraffin (C-P).
  • Fixative - formalin (Formol), alcohol and formalin (Alc, formol), Bouin (Bouin solution)
  • Stain -
  • ? - unknown or not determined.

Pages in category 'Carnegie Stage 22'

The following 64 pages are in this category, out of 64 total.

Media in category 'Carnegie Stage 22'

The following 200 files are in this category, out of 292 total.

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