Category:Week 8
Introduction
This Embryology category shows some key events of human development during Week 8 of the embryonic period of the first eight weeks (weeks 1 - 8) following fertilization. This period is also considered the organogenic period, when most organs within the embryo have begun to form.
Note post-fertilisation (ovulation age) Week 8 corresponds to clinical Gestational Age GA week 10 (add 2 weeks).
There are links to more detailed descriptions which can be viewed in a week by week format, by the historic Carnegie stages or integrated into a Timeline of human development.
Online resources available include: individual images of all Carnegie stages, scanning electron micrographs of the earlier stages, cross-sections showing internal structures at mid- and late-embryonic, 3D reconstructions of internal structures, animations of processes, ultrasound scans and information about abnormalites of development.
Note that there is variability in the actual timing of specific events and at the end of this period fetal development begins.
Week 8 Links: stage 20 | stage 21 | stage 22 | stage 23 | Lecture - Head | Outflow Tract | Heart Valves | Category:Week 8 | GA week 10 |
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 |
Subcategories
This category has the following 66 subcategories, out of 66 total.
C
- Carnegie Embryo 100
- Carnegie Embryo 108
- Carnegie Embryo 1266
- Carnegie Embryo 1315
- Carnegie Embryo 1358
- Carnegie Embryo 1458
- Carnegie Embryo 1535
- Carnegie Embryo 1894
- Carnegie Embryo 1945
- Carnegie Embryo 210
- Carnegie Embryo 22
- Carnegie Embryo 2206
- Carnegie Embryo 227
- Carnegie Embryo 229
- Carnegie Embryo 240
- Carnegie Embryo 256
- Carnegie Embryo 2561
- Carnegie Embryo 2937
- Carnegie Embryo 3681
- Carnegie Embryo 392
- Carnegie Embryo 405
- Carnegie Embryo 4090
- Carnegie Embryo 4160
- Carnegie Embryo 4205
- Carnegie Embryo 4289
- Carnegie Embryo 4304
- Carnegie Embryo 4339
- Carnegie Embryo 4476
- Carnegie Embryo 45
- Carnegie Embryo 4525
- Carnegie Embryo 455
- Carnegie Embryo 4570
- Carnegie Embryo 460
- Carnegie Embryo 464
- Carnegie Embryo 4960
- Carnegie Embryo 5154
- Carnegie Embryo 5422
- Carnegie Embryo 57
- Carnegie Embryo 584A
- Carnegie Embryo 630
- Carnegie Embryo 6531
- Carnegie Embryo 6573
- Carnegie Embryo 6832
- Carnegie Embryo 7274
- Carnegie Embryo 7425
- Carnegie Embryo 7906
- Carnegie Embryo 8157
- Carnegie Embryo 8226
- Carnegie Embryo 8394
- Carnegie Embryo 8517
- Carnegie Embryo 8553
- Carnegie Embryo 86
- Carnegie Embryo 875
- Carnegie Embryo 882
- Carnegie Embryo 886
- Carnegie Embryo 8948
- Carnegie Embryo 895
- Carnegie Embryo 9226
- Carnegie Embryo 9614
- Carnegie Embryo 966
- Carnegie Embryo 983
- Carnegie Stage 20
- Carnegie Stage 21
- Carnegie Stage 22
- Carnegie Stage 23
Pages in category 'Week 8'
The following 144 pages are in this category, out of 144 total.
B
C
- Template:Carnegie Collection stage 21 table
- Template:Carnegie Collection stage 22 table
- Carnegie stage 20
- Template:Carnegie stage 20 links
- Carnegie stage 21
- Template:Carnegie stage 21 links
- Carnegie stage 22
- Carnegie stage 22 - selected serial sections
- Carnegie stage 22 - serial sections
- Template:Carnegie stage 22 links
- Carnegie stage 23
- Template:Carnegie stage 23 links
- Template:Carnegie stage table week 8
- Template:CE100
- Template:CE108
- Template:CE1134B
- Template:CE1134E
- Template:CE1199
- Template:CE1266
- Template:CE128
- Template:CE1315
- Template:CE1358F
- Template:CE1458
- Template:CE1535
- Template:CE1894
- Template:CE1915
- Template:CE1945
- Template:CE22
- Template:CE2206
- Template:CE227
- Template:CE229
- Template:CE2393
- Template:CE240
- Template:CE256
- Template:CE2561
- Template:CE26
- Template:CE2937
- Template:CE349
- Template:CE350
- Template:CE3527
- Template:CE3669
- Template:CE368
- Template:CE3681
- Template:CE392
- Template:CE4021
- Template:CE405
- Template:CE4059
- Template:CE4090
- Template:CE4148
- Template:CE4160
- Template:CE417
- Template:CE4205
- Template:CE4289
- Template:CE4304
- Template:CE431
- Template:CE4339
- Template:CE4361
- Template:CE437
- Template:CE4476
- Template:CE45
- Template:CE4525
- Template:CE453
- Template:CE455
- Template:CE4570
- Template:CE460
- Template:CE462
- Template:CE4638
- Template:CE464
- Template:CE4960
- Template:CE5154
- Template:CE5422
- Template:CE5621A
- Template:CE57
- Template:CE5725
- Template:CE584A
- Template:CE6092
- Template:CE6202
- Template:CE630
- Template:CE632
- Template:CE6426
- Template:CE657
- Template:CE6573
- Template:CE6701
- Template:CE6832
- Template:CE7254
- Template:CE7274
- Template:CE7392
- Template:CE7425
- Template:CE75
- Template:CE756
- Template:CE7592
- Template:CE782
- Template:CE7864
- Template:CE7906
- Template:CE8394
- Template:CE840
- Template:CE8517
- Template:CE8553
- Template:CE86
- Template:CE875
- Template:CE882
- Template:CE8948
- Template:CE895
- Template:CE9226
- Template:CE950
- Template:CE9614
- Template:CE966
- Template:CS20
- Template:CS21
- Template:CS22
- Template:CS23
P
S
Media in category 'Week 8'
The following file is in this category, out of 490 total.
(previous page) (next page)- 600px stage23.jpg 421 × 600; 26 KB