Category:Carnegie Stage 20: Difference between revisions

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There is also a specific [[Carnegie stage 20|'''Carnegie stage 20''']] resource page. See also  [[Carnegie stage 20#Events|Carnegie Stage 20 - Events]]
There is also a specific [[Carnegie stage 20|'''Carnegie stage 20''']] resource page. See also  [[Carnegie stage 20#Events|Carnegie Stage 20 - Events]]


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{{Carnegie stage 20 links}}
{{Carnegie stage 20 links}}
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{{Carnegie_stage_table_1}}
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{{Carnegie_stages}}
{{Carnegie_stages}}


 
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{{Carnegie_stage_table_1}}
{{Carnegie Collection stage 18 table}}


===Carnegie Collection===
===Carnegie Collection===

Revision as of 13:14, 21 May 2017

This Embryology category shows pages and media related to Carnegie stage 20 embryonic development in week 8, 51 - 53 days, GA week 10. The embryos have a crown rump length (CRL) of 18 - 22 mm. This page also shows specific embryo examples in various collections.


There is also a specific Carnegie stage 20 resource page. See also Carnegie Stage 20 - Events


Stage 20 Links: Week 8 | System Development | Lecture - Limb | Lecture - Head Development | Lecture - Sensory | Science Practical - Head | Science Practical - Sensory | Science Practical - Urogenital | Historic - Skull Development | Carnegie Embryos | Category:Carnegie Stage 20 | Next Stage 21
  Historic Papers: 1914 head | 1954 Stage 19-23


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


Carnegie Collection Embryos - Stage 18 
Serial No. Size (mm) Grade Fixative Embedding Medium Plane Thinness (µm) Stain Semi. ducts P.-M. duct (mm) Year Notes
109 E., 12.0* Ch.,30 Poor Alc. P Transverse 20 Al. coch. 1 0.4 1897 Tubal Least—advanced third
144 E., 16.0* Ch, 40x30x30 Good Formalin P Sagittal 40 Al. eoch. 3 0.85 1899 Most—advanced third
175 E., 13.0 Ch, 30x25x25 Poor Alc. P Transverse 20 Al. coch. 2 0.6 1900 Tubal Partly macerated
296 E., 17.0 Poor Ale. P Coronal 20 Various 3 0.85 1905 Most—advanced third
317 E., 16.0 Good Formalin P Coronal 20 (Stain - Haematoxylin Eosin) or. G. 2 0.7 1905 Middle third
351 E.,14.0* Good Formalin P Coronal 250 Slightly carmine— 2 038 1904 Injected (Berlin blue)
406 E., 16.0 Ch., 40x40x40 Good Formalin P Sagittal 20 (Stain - Haematoxylin Eosin) 3 0.7 1907 Operative. Most—advanced third
423 E., 15.2 Good Formol—Zenker P Transverse 50 Carmine 3 0.85 1904
424 E., 172 Good Formalin P Transverse 50 Carmine 3 10 1904 Double infection. Advanced
492 E, 16.8 Ch, 40 x 40 Exc. Zenker P Coronal 40 Al. coch. v 3 0.7 1911 Injected (India ink)
511 E., 160* Ch., 3?* 32x32 Good Ale. P Sagittal 40 Al. coch. 3 1.1 1911 Head injured. Most advanced in group
670 E, 12.5 Poor Ale. P Sagittal 50 (Stain - Haematoxylin Eosin) 3 10 1913 Tubal Advanced
719 E, 15.0 Ch, 50x50x50 Good Formalin P Trans 40 Al. coch. 2 0.6 1913 Median in group
733 E., Ch., 4Sx40x2S ISO Poor Formalin P Sagittal 50 Al. coch. 2 0.6 1913 Median in group
841 E. 15.0 Ch., 18 x 16x9 Good Formalin P Coronal & Trans, 20 10 (Stain - Haematoxylin Eosin), carmine 2 0.32 1914 Operative. Head cut separately
899 E, 160* Ch. 50 x 18 x IS Good Bouin P Sagittal S0 Al. coch. 3 0,65 1914 Tubal Head injured
991 E. l?.0 Good Formalin P Sag so R, V, Gieson 3 0.9 1914 Advanced
1909 E., 14.6 Good Formalin P Coronal 20 Al. coch,or. G. 1 0.3 1917 Less advanced
2673 E.,15.5 Good Formalin P Transverse 40 Al. coch. 2 0.52 1919 Median in group
4430 E., 14.0 Ch, 51 x40x21 Exc. Corros. acetic P Transverse 15 Al. coch,or. G. 3 0.9 1923 Most—advanced third
5542B E., 16.0 Ch, 37x32x25 Good Formalin P Transverse 40 Al. coch. 2 0.7 1927 Other twin abnormal
5747 E, 15.2 Ch, 32x27x25 Poor Alc.—formol P Sagittal 25 Al. coch. 2 0.25 1928 Least—advanced or middle third
5935A E, 13.5 Ch, 40x30x30 Good Formalin P Coronal 40 Al. coch. 1 0.38 1929 Other twin stunted
6522 E, 13.2* Good Corros. acetic C—P Coronal 10 Al. coch. 3 0.8 7 Middle or most—advanced third
6524 E, 11.7* Exc. Corros. acetic C—P Transverse 10 Al. coch. 1 0.4 ? Least—advanced third
6525 E, 13.8* Exc. Corros. acetic C—P Sagittal 8 Al. coch. 2 0.42 ? Weak staining
6527 E, 14.4* Exc. Corros. acetic C—P Transverse 15 Al. coch. 2 0.67 ? Mechanical damage
6528 E, 13.4* Exc. Corros. acetic C—P Coronal 8 Al. coch. 1 0.33 ? Least—advanced third
6529 E, 15.6* Good Corros. acetic C—P Coronal 10 Al. coch. 2 0.4 .5 Middle third
6533 E, 12.5* Good Corros. acetic C—P Sagittal 6, 8, 10 Al. coch. 2 0.45 ? Middle third
6551 E, 18.0 Poor Formalin p Coronal 40 (Stain - Haematoxylin Eosin) 3 0.8 1932 Tubal
7707 E, 14.5 Ch ,37x32 Exc. Bouin C—P Transverse 10 (Stain - Haematoxylin Eosin), phlox. 2 0.54 1939 Operative. Middle third
8097 E, 15.5 Ch, 37x25x21 Good Formalin C—P Transverse 10 (Stain - Haematoxylin Eosin) 1 0.19 1942 Least advanced in group
8172 E, 16.5 Exc. Bouin C—P Transverse 20 (Stain - Haematoxylin Eosin) 3 0.58 1943 Operative. Very advanced
8235 E, 14.0* Good Bouin C—P Sagittal 10 (Stain - Haematoxylin Eosin) Mallory 2 0.25 1944 Tubal
8355 E, 15.0 Ch, 23 Exc. Formalin C—P Coronal 10 Azan 1946 Tubal. Duplicated spinal cord caudally
8812 E, 12_9 Exc Formalin C—P Transverse 10 (Stain - Haematoxylin Eosin) 1950 Rubella. Medical abortion. Midbrain punctured
8945 E, 13.9 Good Zenker p Transverse 8 Borax, carm. 1952 Univ. Chicago No. H 1254
9107 E, 17.0 Ch, 38x28x22 Good Bouin p Transverse 15 Borax, carm. 1918 Univ. Chicago No. H 516
9247 E, 15.0 Exc. Bouin C—P Sagittal 8 Azan 1954 Tubal
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.

Carnegie Collection

Serial No. Size (mm) Grade Fixative Embedding Medium Plane Thinness (µm) Stain Point Score Sex Year Notes
240 E, 20 Ch, 50x40x30 Poor Formol P Cor. 20 Iron H. 27 d 19??
256 E, 21 poor A1c p Sag. 25 Coch. 23 M 1904 Tubal. Partial anencephaly
353 E, 20 Poor A1c P Sag. 20 H. & Congo red 22,5 M 1906
431 E, 19 Ch, 30x25x25 Good Formol P Sag. 20 H. & Congo red 25,5 M 1908 Tubal
437 E, 23 Ch., 80x60x50 Poor Formol P Sag. 50 Coch 24 M 193?
453 E, 23 Ch, 60x40x30 Poor Formol P Sag. 20 H. & Congo red 23-5 ? 1910 Injected
460 E, 21 Exc. Bichlor. acetic P Trans. 40 H.&E., coch, 24.5 M 1910 injected
462 E, 20 Ch, 50x40x30 Exc. Formol P Trans. 40 Al, coch 23.5 F 1910
635B E, 22 Poor Ale P Trans 50 Al, coch 26.5 M 1913
657 E, 25 Ch, 35x20x15 Poor Formol C Sag 40 Al, coch 26.5 M 1913 Tubal
966 E, 23 Ch, 51x38x13 Exc Bichlor. acetic P Cor 40 H.&E, aur, or. G 25 M 1911 Tubal
1134B E, 23 Poor Formol p Sag 100 Al. coch., 22 - 1915
1266 E, 23.1 Poor Formol C-P Sag. 25 Al. coch., H&E aur, or G 20.5 F 191?
2393 Ch, 61.5x50x35 Poor
3527 E., 22 Ch. 32x30x10 Good Formol P Sag. 25 Al. coch., 28 ? 1921
4059 E, 21.6 Good Formol P Cor. 15 Al. coch., Mallory 29.5 $ 1922
4148 E, 21 Ch. 45x34x30 Good Formol p Con 15 A1. coch., Mallory 19 ? 1922
4361 E, 22 Ch., 52x42x23 poor Formol 9 Trans. 20 Coch. 24 8 1923
6202 E, 21 Ch., 35x35x22 Exc Bouin P Sag. 20 H.&E 20.5 8 1930 Tubal
6426 E 21.5 Good Formol C—P Trans. 20 H&E - 21 3 1931
7274 E, 18.5 Ch., 48x44x35 Exc Bouin C—P Trans. 20 H.&E., phlox. 20 M 1936
7906 E19.5 Exc Bouin C—P Cor. 20 H.&E. 22 8 1941 Left renal agenesis
8517 E., 20.8 Exc. Bouin C—P Cor. 20 H.&E. 24 8 1943
8226 E, 18.0 Exc. Bouin C—P Sag 10 Alan ? 3 1944

Blechschmidt Collection

Embryo 130758

Hill Collection

Homo32 Links: chorionic vesicle | embryo | drawing | Carnegie stage 20

Pages in category 'Carnegie Stage 20'

The following 57 pages are in this category, out of 57 total.

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Media in category 'Carnegie Stage 20'

The following 94 files are in this category, out of 94 total.

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