| 8963 |
22 |
E, 3.8 Ch , 14.5 |
Fair |
Formol |
C-P |
Trans |
10 |
I.H. |
1928 |
Univ. Chicago. No. H 1093 Studied by Wen (1928)Cite error: Closing </ref> missing for <ref> tag
| Carnegie Collection Embryos - Stage 12
|
| Serial No. |
Pairs of somites |
Size (mm) |
Grade |
Fixative |
Embedding Medium |
Plane |
Thinness (µm) |
Stain |
Year |
Notes
|
| 209 |
ca_24 |
EH3 Ch.,15 |
Poor |
Alc |
P |
Coronal |
50 |
Al. coch. |
1902 |
|
| 250 |
19? |
E , 2 (11, 10x9x9 |
Poor |
p |
? |
Sagittal |
20 |
Al. coch. |
p |
|
| 384 |
P |
E 2_5 Ch.,13 |
Poor |
Formalin |
P |
Transverse |
10 |
H.&E. |
1907 |
Macerated. Narrow yolk stalk
|
| 486 |
21 |
E.,4 Ch., 22 |
Good |
Corros. acetic |
P |
Transverse |
10 |
Al. Coch. |
1911 |
|
| 1062 |
29 |
E.,4.5 Ch., 20 |
Good |
Formalin |
P |
Transverse |
20 |
Al. coch. |
1915 |
Transitional to next stage
|
| 2197 |
? |
E_,5_3 Ch., 19.5 |
Poor |
Formalin |
P |
Transverse |
10 |
Al. coch, or. G. |
1918 |
|
| 4245-7 |
ca.24 |
E.,3.5 Ch., 24 |
Good |
Alc, formol |
P |
Transverse |
10 |
Al. coch. |
1923 |
Caudal neuropore widely open
|
| 4479 |
P |
E.,5 .8 Ch , 17 |
Poor |
Formalin |
P |
Transverse |
40 |
Al. coch. |
1923 |
Macerated. Upper lirnb buds not visible
|
| 4736 |
26 |
E.,3.0 Ch.,20 |
Good |
Formalin |
P |
Coronal |
10 |
Al. coch. |
1924 |
No upper limb buds. Caudal neuropore closed
|
| 4759 |
? |
E.,4.5 Ch.,15 |
Good |
Formalin |
P |
Transverse |
15 |
(Stain - Haematoxylin Eosin) |
1924 |
Neural tube folded
|
| 4784 |
23 |
E_,3 |
Good |
P |
P |
Transverse |
10 |
p |
1924 |
|
| 5035 |
25-28 |
E.,3.8 Ch.,18 |
Good |
Formalin |
C-P |
Transverse |
10 |
Al. coch. |
1925
|
| 5048 |
ca_25 |
E_,3_5 |
Good |
Formalin |
C-P |
Transverse |
10 |
Al. coch. |
1925 |
Tubal Injured
|
| 5056 |
25 |
E,,3 Ch.,12 |
Good |
Formalin |
P |
Transverse |
10 |
Al. coch. |
1925 |
|
| 5206 |
? |
E.,4 Ch., 51x31x30 |
Poor |
?? |
P |
Transverse |
20 |
Al. coch. |
1926 |
Tubal
|
| 5300 |
? |
E., 4.5 Ch,16.5 |
Poor |
Formalin |
P |
Transverse |
20 |
Al. coch. |
1926 |
Autopsy. Partly macerated
|
| 5923 |
28 |
E.,4 Ch.,15 |
Exc. |
Formalin |
P |
Transverse |
10 |
Al. coch. |
1929 |
|
| 6097 |
25 |
E,3.4 Ch., 12.5 |
Exc. |
Formalin |
C-P |
Transverse |
10 |
Al. coch, eosin |
1930 |
Tubal Ag added to slides 1-3
|
| 6144 |
27 |
E. 3.3 Ch.,11 |
Good |
Lysol—Zenker |
C—P |
Transverse |
10 |
Al. coch. |
1930 |
|
| 6488 |
28 |
E, 32 Ch,22 |
Good |
Formalin |
C—P |
Transverse |
10 |
Al. coch. |
1932 |
|
| 6937 |
26 |
E.,3 Ch , 12 |
Poor |
Formalin |
C—P |
Coronal |
10 |
I.H.,or.G. |
1934 |
Tubal Caudal neuropore closed
|
| 7724 |
ca.29 |
E,3.5 Ch.,18 |
Good |
Formalin |
C—P |
Sagittal |
8 |
(Stain - Haematoxylin Eosin) |
1940 |
Caudal end broken
|
| 7852 |
25 |
E , 3.7 Ch,26 |
Exc. |
Formalin |
C—P |
Transverse |
10 |
(Stain - Haematoxylin Eosin) |
1940 |
Typical for stage 12
|
| 7999 |
ca.28 |
E,3.2 Ch , 15 |
Exc. |
Bouin |
C-P |
Transverse |
10 |
(Stain - Haematoxylin Eosin) |
1942 |
Caudal defect
|
| 8505a |
24 |
Ch, 23.5 |
Exc. |
Formalin |
C-P |
Transverse |
P |
H. Phlox. |
1947 |
|
| 8505b |
23 |
Ch,24 |
Exc. |
Formalin |
C-P |
Sagittal |
p |
Azan |
1947 |
Twins
|
| 8941 |
28 |
E,4.9 Ch, 35 |
Exc. |
Zenker |
C-P |
Transverse |
6 I.H. |
1927 |
Univ. Chicago No. H 1261
|
| 8942 |
25 |
E, 38 Ch, 35 |
Exc. |
Formal-Zenker |
C-P |
Coronal |
5 11-1. |
1930 |
Univ. Chicago No. H 1382
|
| 8943 |
22 |
E. 3.9 Ch, 20.4 |
Exc. |
Formal-Zenker |
C-P |
Transverse |
8 |
H.&E. |
1934 |
Univ. Chicago No. H 1481
|
| 8944 |
25 |
E,4 Ch,,25 |
Exc. |
Formal-Zenker |
C-P |
Sagittal |
8 |
I.H. |
1936 |
Univ. Chicago No. H 1514
|
| 8963 |
22 |
E, 3.8 Ch , 14.5 |
Fair |
Formalin |
C-P |
Transverse |
10 |
I.H. |
1928 |
Univ. Chicago. No. H 1093 Studied by Wen (1928)[1]
|
| 8964 |
23 |
E,2.8 Ch - 25 |
Poor |
Formalin |
p |
Transverse |
8 |
I.H. |
1928 |
Univ_ Chicago No. H984 Studied by Wen (1928)[1]
|
| 9154 |
24 |
E, 5 4 |
Exc |
Formalin |
C-P |
Transverse |
|
I.H. & phlox. |
1953 |
|
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)
- ? - unknown or not determined.
|
| References
|
|