Template:Carnegie stage table: Difference between revisions
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| width="65" |<center> 28 - 32 </center>([[week 5|'''week 5''']]) | | width="65" |<center> 28 - 32 </center>([[week 5|'''week 5''']]) | ||
| width="101" |<center> 4 - 6</center> | | width="101" |<center> 4 - 6</center> | ||
| width="100" bgcolor="#000000" |<center>[[File:Stage13 | | width="100" bgcolor="#000000" |<center>[[File:Stage13 bf2c.jpg|60px|link=Carnegie_stage_13]]</center> | ||
| width="400" |'''Somite Number 30''' [[Musculoskeletal_System_-_Limb_Development|leg buds]], lens placode, pharyngeal arches | | width="400" |'''Somite Number 30''' [[Musculoskeletal_System_-_Limb_Development|leg buds]], lens placode, pharyngeal arches | ||
|- bgcolor="#CCFFCC" | |- bgcolor="#CCFFCC" | ||
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| width="65" |<center> 31 - 35</center> | | width="65" |<center> 31 - 35</center> | ||
| width="101" |<center> 5 - 7</center> | | width="101" |<center> 5 - 7</center> | ||
| width="100" bgcolor="#000000" |<center>[[File: | | width="100" bgcolor="#000000" |<center>[[File:Stage14_bf2c.jpg|60px|link=Carnegie_stage_14]]</center> | ||
| width="400" |lens pit, optic cup | | width="400" |lens pit, optic cup | ||
|- | |- | ||
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| width="65" |<center> 37 - 42 </center>([[week 6|'''week 6''']]) | | width="65" |<center> 37 - 42 </center>([[week 6|'''week 6''']]) | ||
| width="101" |<center> 8 - 11</center> | | width="101" |<center> 8 - 11</center> | ||
| width="100" bgcolor="#000000" |<center>[[File:Stage16 | | width="100" bgcolor="#000000" |<center>[[File:Stage16 bf1c.jpg|60px|Link=Carnegie_stage_16]]</center> | ||
| width="400" |nasal pits moved ventrally, auricular hillocks, foot plate | | width="400" |nasal pits moved ventrally, auricular hillocks, foot plate | ||
|- | |- | ||
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| width="65" |<center> 42 - 44</center> | | width="65" |<center> 42 - 44</center> | ||
| width="101" |<center> 11 - 14</center> | | width="101" |<center> 11 - 14</center> | ||
| width="100" bgcolor="#000000" |<center>[[File:Stage17 | | width="100" bgcolor="#000000" |<center>[[File:Stage17 bf1c.jpg|60px|link=Carnegie_stage_17]]</center> | ||
| width="400" |finger rays | | width="400" |finger rays | ||
|-bgcolor="F5FAFF" | |-bgcolor="F5FAFF" | ||
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| width="65" |<center> 44 - 48 </center>([[week 7|'''week 7''']]) | | width="65" |<center> 44 - 48 </center>([[week 7|'''week 7''']]) | ||
| width="101" |<center> 13 - 17</center> | | width="101" |<center> 13 - 17</center> | ||
| width="100" bgcolor="#000000" |<center>[[File:Stage18 | | width="100" bgcolor="#000000" |<center>[[File:Stage18 bf1c.jpg|60px|link=Carnegie_stage_18]]</center> | ||
| width="400" |ossification commences | | width="400" |ossification commences | ||
|- | |- | ||
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| width="65" |<center> 48 - 51</center> | | width="65" |<center> 48 - 51</center> | ||
| width="101" |<center> 16 - 18</center> | | width="101" |<center> 16 - 18</center> | ||
| width="100" bgcolor="#000000" |<center>[[File:Stage19 | | width="100" bgcolor="#000000" |<center>[[File:Stage19 bf1c.jpg|60px|link=Carnegie_stage_19]]</center> | ||
| width="400" |straightening of trunk | | width="400" |straightening of trunk | ||
|-bgcolor="F5FAFF" | |-bgcolor="F5FAFF" | ||
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| width="65" |<center> 51 - 53 </center>([[week 8|'''week 8''']]) | | width="65" |<center> 51 - 53 </center>([[week 8|'''week 8''']]) | ||
| width="101" |<center> 18 - 22</center> | | width="101" |<center> 18 - 22</center> | ||
| width="100" bgcolor="#000000" |<center>[[File:Stage20 | | width="100" bgcolor="#000000" |<center>[[File:Stage20 bf1c.jpg|60px|link=Carnegie_stage_20]]</center> | ||
| width="400" |[[Musculoskeletal_System_-_Limb_Development|upper limbs]] longer and bent at elbow | | width="400" |[[Musculoskeletal_System_-_Limb_Development|upper limbs]] longer and bent at elbow | ||
|- | |- | ||
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| width="65" |<center>53 - 54</center> | | width="65" |<center>53 - 54</center> | ||
| width="101" |<center>22 - 24</center> | | width="101" |<center>22 - 24</center> | ||
| width="100" bgcolor="#000000" |<center>[[File:Stage21 | | width="100" bgcolor="#000000" |<center>[[File:Stage21 bf1c.jpg|60px|link=Carnegie_stage_21]]</center> | ||
| width="400" |hands and feet turned inward | | width="400" |hands and feet turned inward | ||
|- bgcolor="#FFCCCC" | |- bgcolor="#FFCCCC" | ||
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| width="65" |<center> 54 - 56</center> | | width="65" |<center> 54 - 56</center> | ||
| width="101" |<center> 23 - 28</center> | | width="101" |<center> 23 - 28</center> | ||
| width="100" bgcolor="#000000" |<center>[[File:Stage22 | | width="100" bgcolor="#000000" |<center>[[File:Stage22 bf1c.jpg|60px|link=Carnegie_stage_22]]</center> | ||
| width="400" |eyelids, external ears | | width="400" |eyelids, external ears | ||
|- | |- | ||
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| width="65" |<center> 56 - 60</center> | | width="65" |<center> 56 - 60</center> | ||
| width="101" |<center>27 - 31</center> | | width="101" |<center>27 - 31</center> | ||
| width="100" bgcolor="#000000" |<center>[[File:Stage23 | | width="100" bgcolor="#000000" |<center>[[File:Stage23 bf1c.jpg|60px|link=Carnegie_stage_23]]</center> | ||
| width="400" |rounded head, body and [[Musculoskeletal_System_-_Limb_Development|limbs]] | | width="400" |rounded head, body and [[Musculoskeletal_System_-_Limb_Development|limbs]] | ||
|-bgcolor="F5FAFF" | |-bgcolor="F5FAFF" |
Latest revision as of 09:42, 25 November 2015
Carnegie Stage Table
Weeks shown in the table below are embryonic post ovulation age, for clinical Gestational Age (GA) measured from last menstrual period, add 2 weeks.
(not to scale) |
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fertilized oocyte, zygote, pronuclei | ||||
morula cell division with reduction in cytoplasmic volume, blastocyst formation of inner and outer cell mass | ||||
loss of zona pellucida, free blastocyst | ||||
attaching blastocyst | ||||
(week 2) |
implantation | |||
extraembryonic mesoderm, primitive streak, gastrulation | ||||
gastrulation, notochordal process | ||||
primitive pit, notochordal canal | ||||
Somitogenesis Somite Number 1 - 3 neural folds, cardiac primordium, head fold | ||||
Somite Number 4 - 12 neural fold fuses | ||||
Somite Number 13 - 20 rostral neuropore closes | ||||
Somite Number 21 - 29 caudal neuropore closes | ||||
Somite Number 30 leg buds, lens placode, pharyngeal arches | ||||
lens pit, optic cup | ||||
lens vesicle, nasal pit, hand plate | ||||
nasal pits moved ventrally, auricular hillocks, foot plate | ||||
finger rays | ||||
ossification commences | ||||
straightening of trunk | ||||
upper limbs longer and bent at elbow | ||||
hands and feet turned inward | ||||
eyelids, external ears | ||||
rounded head, body and limbs | ||||
The embryos shown in the table are from the Kyoto and Carnegie collection and other sources.