Category:Carnegie Embryo 841

From Embryology

This Embryology category includes pages and images that relate to the Carnegie Collection Embryo No. 841. Estimated as Carnegie stage 18 Week 7.

Serial No. Size (mm) Grade Fixative Embedding Medium Plane Thinness (µm) Stain Semi. ducts P.-M. duct (mm) Year Notes
841 E. 15.0 Ch., 18 x 16x9 Good Formol P Cor.& Trans, 20 10 H.&E.. carmine 2 0.32 1914 Operative. Head cut separately
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 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 Formol 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 Formol P Coronal 20 (Stain - Haematoxylin Eosin) or. G. 2 0.7 1905 Middle third
351 E.,14.0* Good Formol P Coronal 250 Slightly carmine— 2 038 1904 Injected (Berlin blue)
406 E., 16.0 Ch., 40x40x40 Good Formol 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 Formol 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 Formol P Trans 40 Al. coch. 2 0.6 1913 Median in group
733 E., Ch., 4Sx40x2S ISO Poor Formol P Sagittal 50 Al. coch. 2 0.6 1913 Median in group
841 E. 15.0 Ch., 18 x 16x9 Good Formol 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 Formal P Sag so R, V, Gieson 3 0.9 1914 Advanced
1909 E., 14.6 Good Formol P Coronal 20 Al. coch,or. G. 1 0.3 1917 Less advanced
2673 E.,15.5 Good Formol 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 Formol 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 Formol 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 Sag 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 Formol 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 Formol 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. Formol C—P Coronal 10 Azan 1946 Tubal. Duplicated spinal cord caudally
8812 E, 12_9 Exc Formol 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.


References

McClure CFW. and Butler EG. The development of the vena cava inferior in man. (1925) Amer. J Anat. 35(3): 331-383.

Kramer TC. The partitioning of the truncus and conus and the formation of the membranous portion of the interventricular septum in the human heart. (1942)

Media in category ‘Carnegie Embryo 841’

The following 4 files are in this category, out of 4 total.